text1: How did this man know?
feat_premise_binary_parse: ( How ( ( ( did ( this man ) ) know ) ? ) )
feat_premise_parse: (ROOT (SBARQ (WHADVP (WRB How)) (SQ (VBD did) (NP (DT this) (NN man)) (VP (VB know))) (. ?)))
text2: The man knew something.
feat_hypothesis_binary_parse: ( ( The man ) ( ( knew something ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (DT The) (NN man)) (VP (VBD knew) (NP (NN something))) (. .)))