text1: Ca'daan's mouth hung open.
feat_premise_binary_parse: ( ( ( Ca ( ` ( daan 's ) ) ) mouth ) ( ( hung open ) . ) )
feat_premise_parse: (ROOT (S (NP (NP (JJ Ca) (`` `) (NNS daan) (POS 's)) (NN mouth)) (VP (VBD hung) (ADJP (JJ open))) (. .)))
text2: Ca'daan kept his mouth shut.
feat_hypothesis_binary_parse: ( ( Ca ( ` daan ) ) ( ( kept ( ( his mouth ) shut ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (JJS Ca) (`` `) (NNS daan)) (VP (VBD kept) (SBAR (S (NP (PRP$ his) (NN mouth)) (VP (VBD shut))))) (. .)))