text1: right and that was back in nineteen fifty nine
feat_premise_binary_parse: ( ( ( right and ) that ) ( ( ( was back ) ( in ( nineteen fifty ) ) ) nine ) )
feat_premise_parse: (ROOT (SINV (ADVP (RB right) (CC and) (RB that)) (VP (VBD was) (ADVP (RB back)) (PP (IN in) (NP (NN nineteen) (NN fifty)))) (NP (CD nine))))
text2: It was over fifty years ago.
feat_hypothesis_binary_parse: ( It ( ( was ( over ( ( fifty years ) ago ) ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (PRP It)) (VP (VBD was) (PP (IN over) (ADVP (NP (JJ fifty) (NNS years)) (RB ago)))) (. .)))