text1: He felt the off-hand dagger's weight in the small of his back.
feat_premise_binary_parse: ( He ( ( ( felt ( ( the ( off-hand ( dagger 's ) ) ) weight ) ) ( in ( ( the small ) ( of ( his back ) ) ) ) ) . ) )
feat_premise_parse: (ROOT (S (NP (PRP He)) (VP (VBD felt) (NP (NP (DT the) (JJ off-hand) (NN dagger) (POS 's)) (NN weight)) (PP (IN in) (NP (NP (DT the) (JJ small)) (PP (IN of) (NP (PRP$ his) (NN back)))))) (. .)))
text2: The knife was on his back.
feat_hypothesis_binary_parse: ( ( The knife ) ( ( was ( on ( his back ) ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (DT The) (NN knife)) (VP (VBD was) (PP (IN on) (NP (PRP$ his) (NN back)))) (. .)))