A spine can be dark.Logical formLearned from7 sentences. A spine can be at a tip.Logical formLearned from7 sentences. A spine can be supple.Logical formLearned from7 sentences. A person may straighten a spine.Logical formLearned from7 sentences. Magnetic-resonance imaging may pertain-to a spine.Logical formLearned from7 sentences. Clusters can be constituted-of-or-filled-with spines.Logical formLearned from7 sentences. (Arm spines) can be rugose.Logical formLearned from7 sentences. A spine may snap in half.Logical formLearned from7 sentences. A spine may pertain-to a dog.Logical formLearned from7 sentences. A spine may pertain-to a daughter.Logical formLearned from7 sentences. A spine can be barbed.Logical formLearned from7 sentences. Wounds can be to a spine.Logical formLearned from7 sentences. A spine may pertain-to animals.Logical formLearned from7 sentences. A spine may use (stem cells).Logical formLearned from7 sentences. Spines of steel of courage can be in confronting terrorism.Logical formLearned from7 sentences.