A period can be constituted-of-or-filled-with (oil prices).Logical formLearned from63 sentences. (Crude oil) may rise some cents to some dollars.Logical formLearned from63 sentences. (Light sweet crude oil) can be for delivery.Logical formLearned from63 sentences. Iraqi oil may begin.Logical formLearned from63 sentences. Oil can be in a continent.Logical formLearned from62 sentences. Revenues can be from oil.Logical formLearned from62 sentences. (Fuel oil shipments) can be heavy.Logical formLearned from62 sentences. Persons may change oil.Logical formLearned from62 sentences. Persons may use some percent of oil.Logical formLearned from62 sentences. An (oil demand) can be regional.Logical formLearned from62 sentences. A person may burn a (midnight oil).Logical formLearned from62 sentences. (Oil shipments) may pertain-to the world.Logical formLearned from62 sentences. Bitumen can be from (oil sands).Logical formLearned from62 sentences. An (oil official) may say that something-is-the-case.Logical formLearned from62 sentences. (Oil prices) can be elevated.Logical formLearned from62 sentences.