text1: On 4 5 May a mass of mud and rocks was swept down by Pelee's White River (Riviyre Blanche) over a factory, killing 25 people.
feat_premise_binary_parse: ( ( On ( 4 5 ) ) ( May ( ( ( a mass ) ( of ( ( mud and ) rocks ) ) ) ( ( was ( ( ( ( ( swept down ) ( by ( ( ( Pelee 's ) ( White River ) ) ( -LRB- ( ( Riviyre Blanche ) -RRB- ) ) ) ) ) ( over ( a factory ) ) ) , ) ( killing ( 25 people ) ) ) ) . ) ) ) )
feat_premise_parse: (ROOT (S (PP (IN On) (NP (CD 4) (CD 5))) (NP (NNP May)) (NP (NP (DT a) (NN mass)) (PP (IN of) (NP (NN mud) (CC and) (NNS rocks)))) (VP (VBD was) (VP (VBN swept) (PRT (RP down)) (PP (IN by) (NP (NP (NP (NNP Pelee) (POS 's)) (NNP White) (NNP River)) (PRN (-LRB- -LRB-) (NP (NNP Riviyre) (NNP Blanche)) (-RRB- -RRB-)))) (PP (IN over) (NP (DT a) (NN factory))) (, ,) (S (VP (VBG killing) (NP (CD 25) (NNS people)))))) (. .)))
text2: The mud and rocks stayed put.
feat_hypothesis_binary_parse: ( ( ( ( The mud ) and ) rocks ) ( ( stayed put ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (NP (DT The) (NN mud)) (CC and) (NP (NNS rocks))) (VP (VBD stayed) (VP (VB put))) (. .)))