text1: Adrin nodded.
feat_premise_binary_parse: ( Adrin ( nodded . ) )
feat_premise_parse: (ROOT (S (NP (NNP Adrin)) (VP (VBD nodded)) (. .)))
text2: Adrin nodded his head.
feat_hypothesis_binary_parse: ( Adrin ( ( nodded ( his head ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (NNP Adrin)) (VP (VBD nodded) (NP (PRP$ his) (NN head))) (. .)))