text1: He seemed to have aged a thousand years.
feat_premise_binary_parse: ( He ( ( seemed ( to ( have ( aged ( a ( thousand years ) ) ) ) ) ) . ) )
feat_premise_parse: (ROOT (S (NP (PRP He)) (VP (VBD seemed) (S (VP (TO to) (VP (VB have) (VP (VBN aged) (NP (DT a) (CD thousand) (NNS years))))))) (. .)))
text2: He had aged due to stress.
feat_hypothesis_binary_parse: ( He ( ( had ( aged ( due ( to stress ) ) ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (PRP He)) (VP (VBD had) (VP (VBN aged) (ADJP (JJ due) (S (VP (TO to) (VP (VB stress))))))) (. .)))