A region can be rich in oil.Logical formLearned from64 sentences. An (oil giant) can be state-controlled.Logical formLearned from64 sentences. (Oil ministers) may meet in a world-city.Logical formLearned from63 sentences. Oil may climb.Logical formLearned from63 sentences. Digging can be for oil.Logical formLearned from63 sentences. Producers can be constituted-of-or-filled-with oil.Logical formLearned from63 sentences. Some teaspoon can be constituted-of-or-filled-with oil.Logical formLearned from63 sentences. A (light crude oil) may pertain-to a country.Logical formLearned from63 sentences. Oil can be high-priced.Logical formLearned from63 sentences. Oils can be from hair.Logical formLearned from63 sentences. An (oil price) may hurt producers.Logical formLearned from63 sentences. Prices can be for oil.Logical formLearned from63 sentences. (Oil markets) may pertain-to the world.Logical formLearned from63 sentences. Some miles can be with oil.Logical formLearned from63 sentences. A drizzle can be constituted-of-or-filled-with oil.Logical formLearned from63 sentences.