text1: i'm not exactly sure
feat_premise_binary_parse: ( i ( ( 'm not ) ( exactly sure ) ) )
feat_premise_parse: (ROOT (S (NP (FW i)) (VP (VBP 'm) (RB not) (ADJP (RB exactly) (JJ sure)))))
text2: I'm not sure.
feat_hypothesis_binary_parse: ( I ( ( ( 'm not ) sure ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (PRP I)) (VP (VBP 'm) (RB not) (ADJP (JJ sure))) (. .)))