text1: She was alone at last with the president!
feat_premise_binary_parse: ( She ( ( ( was alone ) ( at ( last ( with ( the president ) ) ) ) ) ! ) )
feat_premise_parse: (ROOT (S (NP (PRP She)) (VP (VBD was) (ADVP (RB alone)) (PP (IN at) (NP (NP (JJ last)) (PP (IN with) (NP (DT the) (NN president)))))) (. !)))
text2: At last, she has not been alone with the president!
feat_hypothesis_binary_parse: ( ( At last ) ( , ( she ( ( ( has not ) ( ( been alone ) ( with ( the president ) ) ) ) ! ) ) ) )
feat_hypothesis_parse: (ROOT (S (PP (IN At) (NP (JJ last))) (, ,) (NP (PRP she)) (VP (VBZ has) (RB not) (VP (VBN been) (ADVP (RB alone)) (PP (IN with) (NP (DT the) (NN president))))) (. !)))