text1: The family. 
feat_premise_binary_parse: ( The ( family . ) )
feat_premise_parse: (ROOT (NP (DT The) (NN family) (. .)))
text2: The family of gorillas.
feat_hypothesis_binary_parse: ( ( ( The family ) ( of gorillas ) ) . )
feat_hypothesis_parse: (ROOT (NP (NP (DT The) (NN family)) (PP (IN of) (NP (NNS gorillas))) (. .)))