A rifling may pertain-to a barrel.Logical formLearned from7 sentences. A barrel may pertain-to a camera.Logical formLearned from7 sentences. A weapon can be with a barrel.Logical formLearned from7 sentences. Barrels may be made of oak.Logical formLearned from7 sentences. A barrel can be tapered.Logical formLearned from7 sentences. Barrels can be constituted-of-or-filled-with reserve.Logical formLearned from7 sentences. A barrel can be curved.Logical formLearned from7 sentences. Barrels can be constituted-of-or-filled-with oak.Logical formLearned from7 sentences. A barrel may be moved.Logical formLearned from7 sentences. An internal diameter may pertain-to a barrel.Logical formLearned from7 sentences. A (barrel length) can be under some inches.Logical formLearned from7 sentences. A barrel can be constituted-of-or-filled-with corn.Logical formLearned from7 sentences. A rotten apple may spoil a barrel.Logical formLearned from7 sentences. Some barrels can be constituted-of-or-filled-with vinegar.Logical formLearned from7 sentences. A circumference may pertain-to a barrel.Logical formLearned from7 sentences.