Oil can be contaminated.Logical formLearned from49 sentences. (Heating oil) may undergo a production.Logical formLearned from49 sentences. A percent may pertain-to (oil requirements).Logical formLearned from49 sentences. A country may resume (oil sales).Logical formLearned from49 sentences. Oil can be in place.Logical formLearned from49 sentences. Cooperation can be in oil.Logical formLearned from49 sentences. Oil may be exported.Logical formLearned from49 sentences. Areas can be constituted-of-or-filled-with oil.Logical formLearned from49 sentences. A conduit can be for oil.Logical formLearned from49 sentences. An (oil tanker) may kill a person.Logical formLearned from49 sentences. One-quarter may pertain-to oil.Logical formLearned from49 sentences. A country may drill for oil.Logical formLearned from49 sentences. (Oil company) may say that something-is-the-case.Logical formLearned from49 sentences. Heavy (fuel oil) may undergo a shipment.Logical formLearned from49 sentences. A country can be a consumer of oil.Logical formLearned from49 sentences.