Fix typo in per_children.rules

Author: AngledLuffa

data/edu/stanford/nlp/kbp/en/semgrex/per_children.rules

@@ -2,7 +2,7 @@
 # (Stanford dependencies; conj is fixing common parse errors)
 {ner:PERSON}=entity >/poss/ ( {lemma:/son|daughter|child/} >/appos|conj.*/ {ner:PERSON}=slot )
 # (Universal dependencies; conj is fixing common parse errors)
-{lemma:/son|daughter|child/} >/;mod:poss/ {ner:PERSON}=entity >/appos|conj.*/ {ner:PERSON}=slot
+{lemma:/son|daughter|child/} >/nmod:poss/ {ner:PERSON}=entity >/appos|conj.*/ {ner:PERSON}=slot
 {ner:PERSON}=entity >/poss/ ( {lemma:/son|daughter|child/}  >/appos|conj.*/ {ner:PERSON}=slot )
 # Among ENTITY's sons are SLOT.
 {lemma:/be/} >/(prep_|nmod:|obl:).*/ ( {lemma:/son|daughter|child/} >/nmod:poss/ {ner:PERSON}=entity ) >/.subj/ {ner:PERSON}=slot