text1: They do not know it themselves.'  
feat_premise_binary_parse: ( They ( ( ( ( do not ) ( know ( it themselves ) ) ) . ) ' ) )
feat_premise_parse: (ROOT (S (NP (PRP They)) (VP (VBP do) (RB not) (VP (VB know) (S (NP (PRP it)) (NP (PRP themselves))))) (. .) ('' ')))
text2: They know it all.
feat_hypothesis_binary_parse: ( They ( ( know ( it all ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (PRP They)) (VP (VBP know) (S (NP (PRP it)) (NP (DT all)))) (. .)))