A spine may pertain-to a city.Logical formLearned from9 sentences. Spines may run.Logical formLearned from9 sentences. Spines can be short.Logical formLearned from9 sentences. Spines can be elongated.Logical formLearned from9 sentences. Spines can be pointed.Logical formLearned from9 sentences. Spines can be fleshy.Logical formLearned from9 sentences. Species may have spines.Logical formLearned from9 sentences. A spine may pertain-to a stingray.Logical formLearned from9 sentences. A spine may pertain-to a back.Logical formLearned from9 sentences. Spines can be simple.Logical formLearned from9 sentences. A spine can be raised.Logical formLearned from9 sentences. A spine may undergo a stabilization.Logical formLearned from9 sentences. Osteoporosis may pertain-to a spine.Logical formLearned from9 sentences. Spine may be frayed.Logical formLearned from9 sentences. Chills may run a spine.Logical formLearned from9 sentences.