ud-substitution-rules.proto

########### Substitution rules #########
# These rules are constantly updated and may not reflect the rules in the paper

rulegroup {
  name: "nmod"
  priority: 5
  rule {
    name: "nmod with a case marker"
    # "saw" with a "telescope"
    # "cat" in a "hat"
    priority: 5
    tregex: "/^l-(nmod|nmod:poss|nmod:count)$/=relation < (/^l-case$/ < (/^w-.*$/=casemarker))"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $e:v (exists:ex $x:v (and:c ($f $e) ($g $x) (p_EVENT.ENTITY_l-nmod.{casemarker}:b $e $x))))))"
    }
  }
  rule {
    name: "nmod indicating counting"
    # "number" of "people"
    # "count" of "films"
    priority: 5
    tregex: "/^l-nmod:count$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y) (p_COUNT:b $y $x))))))"
    }
  }
  rule {
    name: "nmod and its variants"
    # don't confuse this relation with nn in stanford dependencies.
    # no seprate handling for tmod or npmod.
    # 65 "years" "old"
    # 6 "feet" "long"
    # "$5" a "share"
    # TODO: handle nmod seperately when the child is a verb, e.g., "eased" a "fraction"
    priority: 10
    tregex: "/^l-(?:nmod|nmod.*)$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $e:v (exists:ex $x:v (and:c ($f $e) ($g $x) (p_EVENT.ENTITY_l-nmod:b $e $x))))))"
    }
  }
}
rulegroup {
  name: "acl"
  priority: 10
  rule {
    name: "acl, acl:relcl"
	# country Darwin belongs to
	# movie which Cameron directed
	# the movie which won Oscar
    priority: 1
    tregex: "/^l-(?:acl|acl:relcl)$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y))))))"
    }
  }
  rule {
    name: "other acl-other cases"
	# Cases which do not involve extractions
	# the "issues" as he "sees" them
    priority: 1
    tregex: "/^l-acl-other$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y) (p_EVENT.ENTITY_{relation}:b $y $x))))))"
    }
  }
}
rulegroup {
  name: "compound, name"
  priority: 10
  rule {
    name: "verb particle"
    # hang out
    priority: 1
    tregex: "/^l-(?:compound:prt)$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v ($f $x))))"
    }
  }
  rule {
    name: "compound between two proper nouns"
    # "Barack" "Obama"
    priority: 1
    tregex: "/^l-(?:compound|name)$/=relation $ /t-PROPN/ < /t-PROPN/"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (and:c ($f $x) ($g $x)))))"
    }
  }
  rule {
    name: "compound from a noun to proper noun"
    # "Hilton" "hotel"
    priority: 5
    tregex: "/^l-compound$/=relation < /t-PROPN/"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y) (p_EVENT.ENTITY_{relation}:b $x $y))))))"
    }
  }
  rule {
    name: "compound from noun to noun"
    # "coffee" "table"
    priority: 10
    tregex: "/^l-compound$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (and:c ($f $x) ($g $x)))))"
    }
  }
}
rulegroup {
  name: "advmod"
  priority: 10
  rule {
    name: "advmod in how many"
    # "how" "many"
    priority: 1
    tregex: "/^l-advmod:count$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y) (p_COUNT:b $x $y))))))"
    }
  }
  rule {
    name: "advmod attached to question word"
    # "in" a "hat"
    priority: 5
    tregex: "/^l-advmod$/=relation < /^t-.*:WH$/"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y) (p_EVENT.ENTITY_{relation}:b $x $y))))))"
    }
  }
  rule {
    name: "other advmod"
    priority: 10
    tregex: "/^l-advmod$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (and:c ($f $x) ($g $x)))))"
    }
  }
}
rulegroup {
  name: "case"
  priority: 10
  rule {
    name: "case"
    # "in" a "hat"
    priority: 10
    tregex: "/^l-case$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v ($f $x))))"
    }
  }
}
rulegroup {
  name: "cc"
  priority: 10
  rule {
    name: "cc"
    # "Bill" "and" Dave
    priority: 10
    tregex: "/^l-cc$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y))))))"
    }
  }
}
rulegroup {
  name: "conj"
  priority: 10
  rule {
    name: "conj-np, conj-vp, conj-verb"
    # "Bill" and "Dave"
    priority: 10
    tregex: "/^l-conj-(?:np|vp|verb|sent)$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $z:v (exists:ex $x:v (exists:ex $y:v (and:c ($f $x) ($g $y) (p_CONJ:tri $z $x $y)))))))"
    }
  }
  rule {
    name: "conj-adj"
    # "quick" and "fast"
    # TODO: The reply was quick and fast.
    priority: 10
    tregex: "/^l-conj-adj$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (and:c ($f $x) ($g $x)))))"
    }
  }
}
rulegroup {
  name: "cop"
  priority: 10
  rule {
    name: "case"
    # John "is" "old".
    priority: 10
    tregex: "/^l-cop$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v ($f $x))))"
    }
  }
}
rulegroup {
  name: "nsubj"
  priority: 10
  rule {
    name: "nsubj from question word to number"
    # "what" is the "number" of cities in France?
    # This could be a parse mistake since the head word should be the number here?
    priority: 5
    tregex: "/^l-nsubj$/=relation < /^l-nmod:count$/"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (and:c ($f $x) ($g $x)))))"
    }
  }
  rule {
    name: "nsubj with cop"
    # what "companies" are in "CA"?
    priority: 10
    tregex: "/^l-nsubj$/=relation $ /^l-cop$/ $ (/^l-case$/ < /^w-.*$/=casemarker)"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $e:v (exists:ex $x:v (and:c ($f $e) ($g $x) (p_EVENT.ENTITY_arg1.{casemarker}:b $e $x))))))"
    }
  }
  rule {
    name: "nsubj"
    # John shouted.
    priority: 20
    tregex: "/^l-nsubj$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $e:v (exists:ex $x:v (and:c ($f $e) ($g $x) (p_EVENT.ENTITY_arg1:b $e $x))))))"
    }
  }
}
rulegroup {
  name: "dobj"
  priority: 5
  rule {
    name: "dobj when posed as a question"
    # "give" me the "capital" of UK?
    # This happens when subj is not seen with the verb. 
    priority: 5
    tregex: "/^l-dobj:wh$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $e:v (exists:ex $x:v (and:c ($f $e) ($g $x) (p_EVENT.ENTITY_arg2:b $e $x) (p_TARGET:u $x))))))"
    }
  }
  rule {
    name: "dobj"
    # "read" the "article".
    priority: 10
    tregex: "/^l-dobj$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $e:v (exists:ex $x:v (and:c ($f $e) ($g $x) (p_EVENT.ENTITY_arg2:b $e $x))))))"
    }
  }
}
rulegroup {
  name: "nsubjpass"
  priority: 10
  rule {
    name: "case"
    # John shouted.
    priority: 10
    tregex: "/^l-nsubjpass$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $e:v (exists:ex $x:v (and:c ($f $e) ($g $x) (p_EVENT.ENTITY_arg2:b $e $x))))))"
    }
  }
}
rulegroup {
  name: "appos"
  priority: 10
  rule {
    name: "appositives"
    # "John", my "friend", 
    priority: 10
    tregex: "/^l-appos$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (and:c ($f $x) ($g $x)))))"
    }
  }
}
rulegroup {
  name: "det"
  priority: 10
  rule {
    name: "articles, question words"
    # ¿Cuántas ciudades
    # Howmany cities (how many is a single word in spanish)
    priority: 1
    tregex: "/^l-det$/=relation $ /^t-NOUN$/ < (/^w-.*$/=word $ /^t-.*:COUNT:WH$/)"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y) (p_COUNT:b $x $y) (p_TYPE_{word}:u $y))))))"
    }
  }
  rule {
    name: "articles, question words"
    # The city
    # which city
    priority: 5
    tregex: "/^l-det$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (and:c ($f $x) ($g $x)))))"
    }
  }
}
rulegroup {
  name: "amod"
  priority: 10
  rule {
    name: "verb acting as adjectival modifier"
    # I ate a hand "made" "sandwich".
    priority: 1
    tregex: "/^l-amod$/=relation < /t-VERB/"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y) (p_EVENT.ENTITY_{relation}:b $y $x))))))"
    }
  }
  rule {
    name: "COUNT predicates"
    # "cuánta" "hijos"
    # how-many people
    priority: 10
    tregex: "/^l-amod$/=relation $ /^t-NOUN$/ < (/^w-.*$/=word $ /^t-.*:COUNT:WH$/)"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y) (p_COUNT:b $x $y) (p_TYPE_{word}:u $y))))))"
    }
  }
  rule {
    name: "adjectival modifiers attached to verbs"
    # "red" "car"
    priority: 15
    tregex: "/^l-amod$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (and:c ($f $x) ($g $x)))))"
    }
  }
}
rulegroup {
  name: "auxilary verbs"
  priority: 10
  rule {
    name: "punct"
    # "Yahoo" "!"
    priority: 10
    tregex: "/^l-aux.*$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v ($f $x))))"
    }
  }
}
rulegroup {
  name: "xcomp"
  priority: 10
  rule {
    name: "xcomp"
    # Sue "asked" George to "respond" to her offfer
    priority: 1
    tregex: "/^l-xcomp$/=relation !< /t-(?:NOUN|PROPN)/"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y) (p_EVENT.EVENT_{relation}:b $x $y))))))"
    }
  }
  rule {
    name: "xcomp when attached to a noun/propn"
    # Elizabeth became queen.
    # An additional arg2 predicate is created between the control verb and the noun.
    priority: 5
    tregex: "/^l-xcomp$/=relation < /t-(?:NOUN|PROPN)/"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y) (p_EVENT.EVENT_{relation}:b $x $y) (p_EVENT.ENTITY_arg2:b $x $y))))))"
    }
  }
}
rulegroup {
  name: "other complements"
  priority: 10
  rule {
    name: "ccomp, advcl"
    # I am "certain" that he "did" it.
    # If you "know" who did it , you should "tell" the teacher
    # TODO: in advcl, include the conditional predicates, e.g., if, when, inorder to, before, after etc.
    priority: 10
    tregex: "/^l-(?:ccomp|advcl|parataxis)$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y) (p_EVENT.EVENT_{relation}:b $x $y))))))"
    }
  }
}
rulegroup {
  name: "mark"
  priority: 10
  rule {
    name: "mark"
    # Forces engaged in fighting "after" insurgents attacked
    # He says "that" you like to "swim"
    priority: 10
    tregex: "/^l-mark$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v ($f $x))))"
    }
  }
}
rulegroup {
  name: "punctuations"
  priority: 10
  rule {
    name: "punct"
    # "Yahoo" "!"
    priority: 10
    tregex: "/^l-punct$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v ($f $x))))"
    }
  }
}
rulegroup {
  name: "BIND"
  priority: 10
  rule {
    name: "BIND"
    priority: 10
    tregex: "/^l-BIND$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (and:c ($f $x) ($g $x)))))"
    }
  }
}
rulegroup {
  name: "defaults"
  priority: 100
  rule {
    name: "punct"
    # "Yahoo" "!"
    priority: 10
    tregex: "/^l-.*$/=relation"
    transformation {
      target: "relation"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $f:w (lambda $g:w (lambda $x:v (exists:ex $y:v (and:c ($f $x) ($g $y) (p_EVENT.ENTITY_{relation}:b $x $y))))))"
    }
  }
}

########### lexical rules #########
rulegroup {
  name: "verbs and auxilary verbs"
  priority: 10
  rule {
    name: "verb"
    # saw
    priority: 1
    tregex: "/^w-.*$/=word $ /^t-(?:VERB)$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_EVENT_{word}:u $x))"
    }
  }
  rule {
    name: "auxilary verbs"
    # was
    priority: 1
    tregex: "/^w-.*$/=word $ /^t-(?:AUX)$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_EMPTY:u $x))"
    }
  }
}
rulegroup {
  name: "nouns and proper nouns"
  priority: 10
  rule {
    name: "noun with incoming l-compound from commoun nouns"
    # "cofee" table
    # should not match "boy" in "boy David"
    priority: 1
    tregex: "/^w-.*$/=word $ /^t-(?:NOUN)$/ > (l-compound $ /w-.*/=head !$ /t-PROPN/)"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_TYPEMOD_{word}.{head}:u $x))"
    }
  }
  rule {
    name: "noun with incoming l-compound"
    # "boy" David
    priority: 5
    tregex: "/^w-.*$/=word $ /^t-(?:NOUN)$/ > l-compound"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_TYPEMOD_{word}:u $x))"
    }
  }
  rule {
    name: "nouns with an outgoing arc"
    # "movie" in 2010
    priority: 10
    tregex: "/^w-.*$/=word $ /^t-(?:NOUN|PROPN)$/ $ /l-.*/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (and:c (p_TYPE_{word}:u $x) (p_EVENT_{word}:u $x) (p_EVENT.ENTITY_arg0:b $x $x)))"
    }
  }
  rule {
    name: "rest of the nouns"
    # movie
    priority: 15
    tregex: "/^w-.*$/=word $ /^t-(?:NOUN|PROPN)$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_TYPE_{word}:u $x))"
    }
  }
}
rulegroup {
  name: "articles, question words, advmods, pronouns, adjectives"
  priority: 10 
  rule {
    name: "question words with parent nouns"
    # ["which" city] as opposed to [the car "which"] or ["which" is]
    priority: 1
    tregex: "/^w-.*$/=word $ /t-.*:WH$/ > /l-(?:det|amod)/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (and:c (p_TYPEMOD_{word}:u $x) (p_TARGET:u $x)))"
    }
  }
  rule {
    name: "question words with no parent noun but has outgoing arcs"
    # "where" in california
    priority: 5
    tregex: "/^w-.*$/=word $ /t-.*:WH$/ $ /^l-.*$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (and:c (p_TYPE_{word}:u $x) (p_EVENT_{word}:u $x) (p_EVENT.ENTITY_arg0:b $x $x) (p_TARGET:u $x)))"
    }
  }
  rule {
    name: "question words with no parent noun"
    # "what" is the capital of US?
    priority: 10
    tregex: "/^w-.*$/=word $ /t-.*:WH$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (and:c (p_TYPE_{word}:u $x) (p_TARGET:u $x)))"
    }
  }
  rule {
    name: "adverbs that have arguments"
    # He is "in" today"
    priority: 15
    tregex: "/^w-.*$/=word $ /^l-(?:nsubj|dobj|nmod.*|ccomp|xcomp|advcl)$/ $ /^t-ADV$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_EVENT_{word}:u $x))"
    }
  }
  rule {
    name: "adjectives that have arguments"
    # John is "happy"
    # 65 years "old"
    priority: 15
    tregex: "/^w-.*$/=word $ /^l-(?:nsubj|dobj|nmod.*|ccomp|xcomp|advcl)$/ $ /^t-ADJ$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_EVENT_{word}:u $x))"
    }
  }
  rule {
    name: "advmod"
    # "genetically" modified 
    # "most" recent game
    priority: 20
    tregex: "/^w-.*$/=word $ /^t-ADV$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_EVENTMOD_{word}:u $x)))"
    }
  }
  rule {
    name: "adjectives"
    priority: 20
    tregex: "/^w-.*/=word $ /^t-ADJ$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_TYPEMOD_{word}:u $x))"
    }
  }
  rule {
    name: "pronouns with outgoing arcs"
    priority: 20 
    tregex: "/w-.*/=word $ /^t-PRON$/ $ /^l-.*$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (and:c (p_TYPE_{word}:u $x) (p_EVENT_{word}:u $x) (p_EVENT.ENTITY_arg0:b $x $x)))"
    }
  }
  rule {
    name: "pronouns with no outgoing arcs"
    priority: 25
    tregex: "/w-.*/=word $ /^t-PRON$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_TYPE_{word}:u $x))"
    }
  }
  rule {
    name: "articles"
    # "the" car
    priority: 25
    tregex: "/^w-.*$/=word $ /^t-DET$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_EMPTY:u $x))"
    }
  }
}
rulegroup {
  name: "prepositions"
  priority: 10
  rule {
    name: "prepositions that have arguments.. probably due to parse errors" 
    # What has MarioLopez been in?
    # Here dep(in) = 0:root, dep(What) = in:dobj, dep(MarioLopez) = in:nsubj 
    priority: 1
    tregex: "/^w-.*$/=word $ /^l-(?:nsubj|dobj|nmod.*|ccomp|xcomp|advcl)$/ $ /^t-ADP$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_EVENT_{word}:u $x))"
    }
  }
  rule {
    name: "prepositions"
    priority: 10
    tregex: "/^w-.*/=word $ /^t-ADP$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_EMPTY:u $x))"
    }
  }
}
rulegroup {
  name: "conjunction words"
  # TODO: handle if, when, since, before etc.
  priority: 10
  rule {
    name: "conjunctions"
    priority: 10
    tregex: "/^w-.*/=word $ /^t-(?:CONJ|SCONJ)$/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_EMPTY:u $x))"
    }
  }
}
rulegroup {
  name: "punctuations"
  priority: 20
  rule {
    name: "punctuations"
    priority: 10
    tregex: "/^w-.*/=word > l-punct"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_EMPTY:u $x))"
    }
  }
}
rulegroup {
  name: "default words"
  priority: 30
  rule {
    name: "words with children" 
    priority: 10
    tregex: "/^w-.*/=word $ /l-.*/"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (and:c (p_TYPE_{word}:u $x) (p_EVENT_{word}:u $x) (p_EVENT.ENTITY_arg0:b $x $x)))"
    }
  }
  rule {
    name: "words"
    priority: 20
    tregex: "/^w-.*/=word"
    transformation {
      target: "word"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_TYPEMOD_{word}:u $x))"
    }
  }
}
rulegroup {
  name: "virtual"
  priority: 1
  rule {
    name: "virtual word"
    priority: 1
    tregex: "/v-w-.*/=target"
    transformation {
      target: "target"
      action: ASSIGN_LAMBDA
      lambda: "(lambda $x:v (p_EQUAL:b $x {target}:v))"
    }
  }
  rule {
    name: "virtual default"
    priority: 10
    tregex: "/v-.*/=target"
    transformation {
      target: "target"
      action: ASSIGN_LAMBDA
      lambda: "{target}:w"
    }
  }
}