sentence1_binary_parse: ( ( VERTEBRAL COLUMN ) ( ( -LRB- ( backbone -RRB- ) ) ( ( The ( vertebral column ) ) ( ( ( ( surrounds and ) protects ) ( the ( dorsal ( nerve cord ) ) ) ) . ) ) ) )
sentence1_parse: (ROOT (S (NP (NNP VERTEBRAL) (NNP COLUMN)) (PRN (-LRB- -LRB-) (NP (NN backbone)) (-RRB- -RRB-)) (NP (DT The) (JJ vertebral) (NN column)) (VP (VBZ surrounds) (CC and) (VBZ protects) (NP (DT the) (JJ dorsal) (NN nerve) (NN cord))) (. .)))
sentence1: VERTEBRAL COLUMN (backbone) The vertebral column surrounds and protects the dorsal 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.