text1: Once there, he or she must alight from the vehicle and proceed to the mailbox, then return to the vehicle, turn it around and proceed to the road.
feat_premise_binary_parse: ( ( Once there ) ( , ( ( ( he or ) she ) ( ( must ( ( ( ( ( ( ( ( ( alight ( from ( the vehicle ) ) ) and ) ( proceed ( to ( the mailbox ) ) ) ) , ) ( then ( return ( to ( the vehicle ) ) ) ) ) , ) ( ( turn it ) around ) ) and ) ( proceed ( to ( the road ) ) ) ) ) . ) ) ) )
feat_premise_parse: (ROOT (S (ADVP (RB Once) (RB there)) (, ,) (NP (PRP he) (CC or) (PRP she)) (VP (MD must) (VP (VP (VB alight) (PP (IN from) (NP (DT the) (NN vehicle)))) (CC and) (VP (VB proceed) (PP (TO to) (NP (DT the) (NN mailbox)))) (, ,) (VP (ADVP (RB then)) (VB return) (PP (TO to) (NP (DT the) (NN vehicle)))) (, ,) (VP (VB turn) (NP (PRP it)) (ADVP (RB around))) (CC and) (VP (VB proceed) (PP (TO to) (NP (DT the) (NN road)))))) (. .)))
text2: If there is no mailbox, they don't have to get out of the vehicle.
feat_hypothesis_binary_parse: ( ( If ( there ( is ( no mailbox ) ) ) ) ( , ( they ( ( ( do n't ) ( have ( to ( ( get out ) ( of ( the vehicle ) ) ) ) ) ) . ) ) ) )
feat_hypothesis_parse: (ROOT (S (SBAR (IN If) (S (NP (EX there)) (VP (VBZ is) (NP (DT no) (NN mailbox))))) (, ,) (NP (PRP they)) (VP (VBP do) (RB n't) (VP (VB have) (S (VP (TO to) (VP (VB get) (PRT (RP out)) (PP (IN of) (NP (DT the) (NN vehicle)))))))) (. .)))