sentence1_binary_parse: ( ( In ( ( ( the fish ) and ) ( all ( subsequent vertebrates ) ) ) ) ( , ( ( the notochord ) ( ( ( forms ( the backbone ) ) ( -LRB- ( or ( ( vertebral column ) -RRB- ) ) ) ) . ) ) ) )
sentence1_parse: (ROOT (S (PP (IN In) (NP (NP (DT the) (NN fish)) (CC and) (NP (DT all) (JJ subsequent) (NNS vertebrates)))) (, ,) (NP (DT the) (NN notochord)) (VP (VBZ forms) (FRAG (NP (DT the) (NN backbone))) (PRN (-LRB- -LRB-) (CC or) (VP (VBP vertebral) (NP (NN column))) (-RRB- -RRB-))) (. .)))
sentence1: In the fish and all subsequent vertebrates, the notochord forms the backbone (or vertebral column).
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.