A war can be about oil.Logical formLearned from172 sentences. A ban can be on offshore (oil drilling).Logical formLearned from172 sentences. (Oil drilling) can be in a us-state.Logical formLearned from172 sentences. An (oil wealth) may undergo a distribution.Logical formLearned from172 sentences. Oils can be tropical.Logical formLearned from171 sentences. (Oil inventories) may fall.Logical formLearned from171 sentences. (Oil needs) may pertain-to a country.Logical formLearned from170 sentences. (Oil producers) may pertain-to a country.Logical formLearned from170 sentences. A percent may pertain-to an (oil output).Logical formLearned from170 sentences. A price of oil may go_up.Logical formLearned from169 sentences. (Crude oil futures) may pertain-to a country.Logical formLearned from169 sentences. A mixture can be constituted-of-or-filled-with oil.Logical formLearned from168 sentences. A pipeline may carry oil.Logical formLearned from168 sentences. (Oil contracts) can be lucrative.Logical formLearned from168 sentences. (Oil prices) may go_up.Logical formLearned from167 sentences.