text1: i'm not sure what the overnight low was
feat_premise_binary_parse: ( i ( ( 'm not ) ( sure ( what ( ( the ( overnight low ) ) was ) ) ) ) )
feat_premise_parse: (ROOT (S (NP (FW i)) (VP (VBP 'm) (RB not) (ADJP (JJ sure) (SBAR (WHNP (WP what)) (S (NP (DT the) (JJ overnight) (NN low)) (VP (VBD was))))))))
text2: I don't know how cold it got last night.
feat_hypothesis_binary_parse: ( I ( ( ( do n't ) ( know ( ( how cold ) ( it ( got ( last night ) ) ) ) ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (PRP I)) (VP (VBP do) (RB n't) (VP (VB know) (SBAR (WHADJP (WRB how) (JJ cold)) (S (NP (PRP it)) (VP (VBD got) (NP (JJ last) (NN night))))))) (. .)))