text1: We know essentially nothing about life beyond Earth.
feat_premise_binary_parse: ( We ( ( ( know ( ( essentially nothing ) ( about life ) ) ) ( beyond Earth ) ) . ) )
feat_premise_parse: (ROOT (S (NP (PRP We)) (VP (VBP know) (NP (NP (RB essentially) (NN nothing)) (PP (IN about) (NP (NN life)))) (PP (IN beyond) (NP (NNP Earth)))) (. .)))
text2: We don't know anything about life past Earth.
feat_hypothesis_binary_parse: ( We ( ( ( do n't ) ( ( know anything ) ( about ( life ( past Earth ) ) ) ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (PRP We)) (VP (VBP do) (RB n't) (VP (VB know) (NP (NN anything)) (PP (IN about) (NP (NN life) (JJ past) (NN Earth))))) (. .)))