text1: i don't know how what it would take to be come up with a true perfect system or if one exists but
feat_premise_binary_parse: ( i ( ( do n't ) ( ( know how ) ( ( ( what ( it ( would ( take ( to ( be ( ( come up ) ( with ( a ( true ( perfect system ) ) ) ) ) ) ) ) ) ) ) or ) ( if ( one ( exists but ) ) ) ) ) ) )
feat_premise_parse: (ROOT (S (NP (FW i)) (VP (VBP do) (RB n't) (VP (VB know) (NP (WRB how)) (SBAR (SBAR (WHNP (WP what)) (S (NP (PRP it)) (VP (MD would) (VP (VB take) (S (VP (TO to) (VP (VB be) (VP (VBN come) (PRT (RP up)) (PP (IN with) (NP (DT a) (JJ true) (JJ perfect) (NN system))))))))))) (CC or) (SBAR (IN if) (S (NP (PRP one)) (VP (VBZ exists) (ADVP (CC but))))))))))
text2: I don't know if one exists but I will do my best to research the matter.
feat_hypothesis_binary_parse: ( I ( ( ( do n't ) ( know ( if ( one ( exists ( but ( I ( will ( ( do ( my best ) ) ( to ( research ( the matter ) ) ) ) ) ) ) ) ) ) ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (PRP I)) (VP (VBP do) (RB n't) (VP (VB know) (SBAR (IN if) (S (NP (PRP one)) (VP (VBZ exists) (SBAR (CC but) (S (NP (PRP I)) (VP (MD will) (VP (VB do) (NP (PRP$ my) (JJS best)) (S (VP (TO to) (VP (VB research) (NP (DT the) (NN matter)))))))))))))) (. .)))