Barrels can be contaminated.Logical formLearned from8 sentences. Some barrels can be constituted-of-or-filled-with petrol.Logical formLearned from8 sentences. A (gun barrel) can be revolutionary.Logical formLearned from8 sentences. Some wells may produce some barrels.Logical formLearned from8 sentences. Some barrels can be constituted-of-or-filled-with (hydrogen peroxide).Logical formLearned from8 sentences. Barrels can be oaken.Logical formLearned from8 sentences. Barrels can be constituted-of-or-filled-with gas.Logical formLearned from8 sentences. A refinery may process some barrels of crude oil.Logical formLearned from8 sentences. A barrel can be cool.Logical formLearned from8 sentences. (Pork barrel projects) can be wasteful.Logical formLearned from8 sentences. Some barrels can be constituted-of-or-filled-with conventional oil.Logical formLearned from8 sentences. Shotguns can be with barrels.Logical formLearned from8 sentences. Analysts may expect a boost of some barrels.Logical formLearned from8 sentences. An output may drop by some barrels.Logical formLearned from8 sentences. A strike may take some barrels off a market.Logical formLearned from8 sentences.