text1: Her voice was doubtful.
feat_premise_binary_parse: ( ( Her voice ) ( ( was doubtful ) . ) )
feat_premise_parse: (ROOT (S (NP (PRP$ Her) (NN voice)) (VP (VBD was) (ADJP (JJ doubtful))) (. .)))
text2: She sounded doubtful about it.
feat_hypothesis_binary_parse: ( She ( ( ( sounded doubtful ) ( about it ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (PRP She)) (VP (VBD sounded) (ADJP (JJ doubtful)) (PP (IN about) (NP (PRP it)))) (. .)))