text1: HE KNOWS ABOUT THE MINES.
feat_premise_binary_parse: ( HE ( ( KNOWS ( ABOUT ( THE MINES ) ) ) . ) )
feat_premise_parse: (ROOT (S (NP (PRP HE)) (VP (VBZ KNOWS) (VP (VB ABOUT) (NP (DT THE) (NNS MINES)))) (. .)))
text2: He is aware that the mines exist. 
feat_hypothesis_binary_parse: ( He ( ( ( is aware ) ( that ( ( the mines ) exist ) ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (PRP He)) (VP (VBZ is) (ADJP (JJ aware)) (SBAR (IN that) (S (NP (DT the) (NNS mines)) (VP (VBP exist))))) (. .)))