text1: you know it's it's not easy to do but
feat_premise_binary_parse: ( you ( know ( it ( 's ( it ( ( 's not ) ( easy ( to ( do but ) ) ) ) ) ) ) ) )
feat_premise_parse: (ROOT (S (NP (PRP you)) (VP (VBP know) (SBAR (S (NP (PRP it)) (VP (VBZ 's) (SBAR (S (NP (PRP it)) (VP (VBZ 's) (RB not) (ADJP (JJ easy) (S (VP (TO to) (VP (VB do) (ADVP (CC but)))))))))))))))
text2: It can be challenging.
feat_hypothesis_binary_parse: ( It ( ( can ( be challenging ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (PRP It)) (VP (MD can) (VP (VB be) (ADJP (JJ challenging)))) (. .)))