text1: The island's burgeoning economic significance propelled population growth, and by the middle of the 15th century Madeira was home to 800 families.
feat_premise_binary_parse: ( ( ( ( ( ( ( The ( island 's ) ) ( burgeoning ( economic significance ) ) ) ( propelled ( population growth ) ) ) , ) and ) ( ( by ( ( the middle ) ( of ( the ( 15th century ) ) ) ) ) ( Madeira ( ( was home ) ( to ( 800 families ) ) ) ) ) ) . )
feat_premise_parse: (ROOT (S (S (NP (NP (DT The) (NN island) (POS 's)) (VBG burgeoning) (JJ economic) (NN significance)) (VP (VBD propelled) (NP (NN population) (NN growth)))) (, ,) (CC and) (S (PP (IN by) (NP (NP (DT the) (NN middle)) (PP (IN of) (NP (DT the) (JJ 15th) (NN century))))) (NP (NNP Madeira)) (VP (VBD was) (ADVP (RB home)) (PP (TO to) (NP (CD 800) (NNS families))))) (. .)))
text2: Madeira proved to be uninhabitable.
feat_hypothesis_binary_parse: ( Madeira ( ( proved ( to ( be uninhabitable ) ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (NNP Madeira)) (VP (VBD proved) (S (VP (TO to) (VP (VB be) (ADJP (JJ uninhabitable)))))) (. .)))