text1: Nobody knows much about the early Etruscans.
feat_premise_binary_parse: ( Nobody ( ( knows ( much ( about ( the ( early Etruscans ) ) ) ) ) . ) )
feat_premise_parse: (ROOT (S (NP (NN Nobody)) (VP (VBZ knows) (ADVP (RB much) (NP (RB about) (DT the) (JJ early) (NNS Etruscans)))) (. .)))
text2: The early Etruscans? Nobody knows much about them.
feat_hypothesis_binary_parse: ( ( The ( early ( Etruscans ( ? Nobody ) ) ) ) ( ( ( knows much ) ( about them ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (DT The) (JJ early) (NP (NNP Etruscans) (. ?) (NN Nobody))) (VP (VBZ knows) (NP (RB much)) (PP (IN about) (NP (PRP them)))) (. .)))