(Oil needs) may pertain-to the world.Logical formLearned from71 sentences. A person may believe (oil companies).Logical formLearned from71 sentences. (Oil ministers) may meet.Logical formLearned from71 sentences. (Oil deposits) may undergo a discovery.Logical formLearned from71 sentences. (Oil prices) may rise in a continent.Logical formLearned from71 sentences. A need can be for foreign oil.Logical formLearned from71 sentences. (Heating oil) may settle_up some cents.Logical formLearned from71 sentences. (Oil prices) may gain.Logical formLearned from71 sentences. An (oil refinery) may pertain-to a dictator.Logical formLearned from71 sentences. Some (oil workers) may be took.Logical formLearned from71 sentences. Dollars can be constituted-of-or-filled-with oil.Logical formLearned from71 sentences. An (oil exporter) may pertain-to a country.Logical formLearned from71 sentences. A release can be constituted-of-or-filled-with oil.Logical formLearned from71 sentences. A price of (crude oil) may drop some cents to some dollars.Logical formLearned from71 sentences. An (oil reserve) can be in the world.Logical formLearned from71 sentences.