text1: He had never felt better.
feat_premise_binary_parse: ( He ( ( ( had never ) ( felt better ) ) . ) )
feat_premise_parse: (ROOT (S (NP (PRP He)) (VP (VBD had) (ADVP (RB never)) (VP (VBN felt) (ADVP (RBR better)))) (. .)))
text2: The medicine he had taken had worked well.
feat_hypothesis_binary_parse: ( ( ( The medicine ) ( he ( had taken ) ) ) ( ( had ( worked well ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (NP (DT The) (NN medicine)) (SBAR (S (NP (PRP he)) (VP (VBD had) (VP (VBN taken)))))) (VP (VBD had) (VP (VBN worked) (ADVP (RB well)))) (. .)))