A spine may pertain-to a book.Logical formLearned from49 sentences. A tumor can be on a spine.Logical formLearned from49 sentences. A spine may stiffen.Logical formLearned from48 sentences. A spine can be crooked.Logical formLearned from48 sentences. A shiver may run_up a spine.Logical formLearned from48 sentences. An injury can be to a spine.Logical formLearned from48 sentences. Spines can be detached.Logical formLearned from47 sentences. Rows can be constituted-of-or-filled-with spines.Logical formLearned from45 sentences. Line can be with a spine.Logical formLearned from45 sentences. A spine can be damaged.Logical formLearned from44 sentences. A chill may run_down a spine.Logical formLearned from44 sentences. A spine may pertain-to a boy.Logical formLearned from42 sentences. A spine may undergo a fracture.Logical formLearned from41 sentences. A male may have a spine.Logical formLearned from41 sentences. A stretcher can be with a (spine injury).Logical formLearned from40 sentences.