text1: The Kal nodded.
feat_premise_binary_parse: ( ( The Kal ) ( nodded . ) )
feat_premise_parse: (ROOT (S (NP (DT The) (NNP Kal)) (VP (VBD nodded)) (. .)))
text2: The Kal then shook its head side to side.
feat_hypothesis_binary_parse: ( ( The Kal ) ( then ( ( ( shook ( its ( head side ) ) ) ( to side ) ) . ) ) )
feat_hypothesis_parse: (ROOT (S (NP (DT The) (NNP Kal)) (ADVP (RB then)) (VP (VBD shook) (NP (PRP$ its) (NN head) (NN side)) (PP (TO to) (NP (NN side)))) (. .)))