sentence1_binary_parse: ( Vertebrates ( ( possess ( ( a ( backbone-a ( dorsal ( vertebral column ) ) ) ) ( enclosing ( a ( dorsal ( hollow ( nerve cord ) ) ) ) ) ) ) . ) )
sentence1_parse: (ROOT (S (NP (NNS Vertebrates)) (VP (VBP possess) (NP (NP (DT a) (JJ backbone-a) (JJ dorsal) (NN vertebral) (NN column)) (VP (VBG enclosing) (NP (DT a) (JJ dorsal) (JJ hollow) (NN nerve) (NN cord))))) (. .)))
sentence1: Vertebrates possess a backbone-a dorsal vertebral column enclosing a dorsal hollow nerve cord.
sentence2_parse: (ROOT (S (NP (NNP Backbone)) (VP (VBZ is) (NP (NP (DT another) (NN name)) (PP (IN for) (NP (DT the) (JJ vertebral) (NN column))))) (. .)))
sentence2: Backbone is another name for the vertebral column.