text1: One opportunist who stayed was Octavius Decatur Gass.
feat_premise_binary_parse: ( ( One ( opportunist ( who stayed ) ) ) ( ( was ( Octavius ( Decatur Gass ) ) ) . ) )
feat_premise_parse: (ROOT (S (NP (CD One) (NN opportunist) (SBAR (WHNP (WP who)) (S (VP (VBD stayed))))) (VP (VBD was) (NP (NNP Octavius) (NNP Decatur) (NNP Gass))) (. .)))
text2: Octavius Decatur Gass refers to four people. 
feat_hypothesis_binary_parse: ( ( Octavius ( Decatur Gass ) ) ( ( refers ( to ( four people ) ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (NNP Octavius) (NNP Decatur) (NNP Gass)) (VP (VBZ refers) (PP (TO to) (NP (CD four) (NNS people)))) (. .)))