text1: Do not talk.
feat_premise_binary_parse: ( ( ( Do not ) talk ) . )
feat_premise_parse: (ROOT (S (VP (VB Do) (RB not) (VP (VB talk))) (. .)))
text2: Don't say anything.
feat_hypothesis_binary_parse: ( ( ( Do n't ) ( say anything ) ) . )
feat_hypothesis_parse: (ROOT (S (VP (VB Do) (RB n't) (VP (VB say) (NP (NN anything)))) (. .)))