text1:  9th circa b.c.First signs of pre-Roman Etruscans
feat_premise_binary_parse: ( ( 9th circa ) ( ( b.c.First signs ) ( of ( pre-Roman Etruscans ) ) ) )
feat_premise_parse: (ROOT (NP (NP (JJ 9th) (NN circa)) (NP (NP (JJ b.c.First) (NNS signs)) (PP (IN of) (NP (JJ pre-Roman) (NNS Etruscans))))))
text2: The most accurate accounts of pre-Roman Etruscans.
feat_hypothesis_binary_parse: ( ( ( The ( ( most accurate ) accounts ) ) ( of pre-Roman ) ) ( Etruscans . ) )
feat_hypothesis_parse: (ROOT (S (NP (NP (DT The) (ADJP (RBS most) (JJ accurate)) (NNS accounts)) (PP (IN of) (NP (NN pre-Roman)))) (VP (VBZ Etruscans)) (. .)))