text1:  The Romans never really infiltrated Ibiza, and even after the defeat of Hannibal in 202 b.c. during the Second Punic War their influence was restrained.
feat_premise_binary_parse: ( ( ( ( ( ( The Romans ) ( never ( really ( infiltrated Ibiza ) ) ) ) , ) and ) ( even ( ( after ( ( the defeat ) ( of ( ( Hannibal ( in ( ( 202 b.c. ) ( during ( the Second ) ) ) ) ) ( Punic War ) ) ) ) ) ( ( their influence ) ( was restrained ) ) ) ) ) . )
feat_premise_parse: (ROOT (S (S (NP (DT The) (NNPS Romans)) (ADVP (RB never)) (VP (ADVP (RB really)) (VBD infiltrated) (NP (NNP Ibiza)))) (, ,) (CC and) (S (ADVP (RB even)) (PP (IN after) (NP (NP (DT the) (NN defeat)) (PP (IN of) (NP (NAC (NNP Hannibal) (PP (IN in) (NP (NP (CD 202) (NN b.c.)) (PP (IN during) (NP (DT the) (NNP Second)))))) (NNP Punic) (NNP War))))) (NP (PRP$ their) (NN influence)) (VP (VBD was) (ADJP (JJ restrained)))) (. .)))
text2: The Romans didn't infiltrate Ibiza.
feat_hypothesis_binary_parse: ( ( The Romans ) ( ( ( did n't ) ( infiltrate Ibiza ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (DT The) (NNPS Romans)) (VP (VBD did) (RB n't) (VP (VB infiltrate) (NP (NNP Ibiza)))) (. .)))