text1: The pieces are unloaded and fed into sorting machines.
feat_premise_binary_parse: ( ( The pieces ) ( ( are ( ( ( unloaded and ) fed ) ( into ( sorting machines ) ) ) ) . ) )
feat_premise_parse: (ROOT (S (NP (DT The) (NNS pieces)) (VP (VBP are) (VP (VBN unloaded) (CC and) (VBN fed) (PP (IN into) (NP (VBG sorting) (NNS machines))))) (. .)))
text2: Pieces are unloaded and fed into machines to sort 
feat_hypothesis_binary_parse: ( Pieces ( are ( ( ( unloaded and ) fed ) ( into ( machines ( to sort ) ) ) ) ) )
feat_hypothesis_parse: (ROOT (S (NP (NNP Pieces)) (VP (VBP are) (VP (VBN unloaded) (CC and) (VBN fed) (PP (IN into) (NP (NP (NNS machines)) (PP (TO to) (NP (NN sort)))))))))