text1: farmworkers conducted by the U.S.
feat_premise_binary_parse: ( farmworkers ( conducted ( by ( the U.S. ) ) ) )
feat_premise_parse: (ROOT (S (NP (NNS farmworkers)) (VP (VBN conducted) (PP (IN by) (NP (DT the) (NNP U.S.))))))
text2: Some farm laborers were sampled.
feat_hypothesis_binary_parse: ( ( Some ( farm laborers ) ) ( ( were sampled ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (DT Some) (NN farm) (NNS laborers)) (VP (VBD were) (VP (VBN sampled))) (. .)))