An (oil field) may pertain-to a country.Logical formLearned from852 sentences. (Oil revenues) may pertain-to a country.Logical formLearned from848 sentences. Sources can be constituted-of-or-filled-with oil.Logical formLearned from842 sentences. An (oil sector) may pertain-to a country.Logical formLearned from840 sentences. A spike can be in (oil prices).Logical formLearned from836 sentences. Oil may be changed.Logical formLearned from826 sentences. Oil can be in a country.Logical formLearned from805 sentences. (Oil prices) may soar.Logical formLearned from792 sentences. Oil may pertain-to a female.Logical formLearned from781 sentences. Some barrels can be constituted-of-or-filled-with (crude oil).Logical formLearned from769 sentences. An (oil exporter) may pertain-to a continent.Logical formLearned from748 sentences. An (oil consumer) may pertain-to the world.Logical formLearned from734 sentences. Reserve can be constituted-of-or-filled-with oil.Logical formLearned from728 sentences. A drop can be constituted-of-or-filled-with oil.Logical formLearned from726 sentences. (Crude oil inventories) may pertain-to a country.Logical formLearned from725 sentences.