A person may see a barrel of oil.Logical formLearned from20 sentences. Some refineries may have a capacity of some barrels.Logical formLearned from19 sentences. A barrel may pertain-to guns.Logical formLearned from19 sentences. A barrel can be constituted-of-or-filled-with herrings.Logical formLearned from19 sentences. (Oil production) can be constituted-of-or-filled-with some barrels.Logical formLearned from19 sentences. Quotas may reduce (world production) by some barrels.Logical formLearned from19 sentences. A barrel may be extracted.Logical formLearned from19 sentences. Regard can be to (pork barrel spoon-feedings).Logical formLearned from19 sentences. (Pork barrel spoon-feedings) can be online.Logical formLearned from19 sentences. A barrel can be in electronic trading.Logical formLearned from19 sentences. A side may pertain-to a (lens barrel).Logical formLearned from19 sentences. An effect can be on a price of a barrel of oil.Logical formLearned from19 sentences. A middle may pertain-to a barrel.Logical formLearned from19 sentences. A drop can be in a barrel.Logical formLearned from19 sentences. Some barrels can be constituted-of-or-filled-with (oil equivalents).Logical formLearned from19 sentences.