(Oil majors) may pertain-to a country.Logical formLearned from96 sentences. Some drop can be in (oil prices).Logical formLearned from96 sentences. A history may pertain-to an (oil industry).Logical formLearned from96 sentences. Increases can be in oil.Logical formLearned from96 sentences. Oil can be in a wildlife-refuge.Logical formLearned from96 sentences. (Oil wealth) may undergo a distribution.Logical formLearned from96 sentences. A country can be an exporter of (crude oil).Logical formLearned from96 sentences. A state may pertain-to an (oil industry).Logical formLearned from96 sentences. A rise can be in (world oil prices).Logical formLearned from96 sentences. (Oil prices) can be higher in trade.Logical formLearned from96 sentences. (Oil ministers) may undergo a meeting.Logical formLearned from96 sentences. (Crude oil prices) may pertain-to a male.Logical formLearned from96 sentences. A slump can be in (oil prices).Logical formLearned from95 sentences. An (oil boom) may pertain-to 1970s.Logical formLearned from95 sentences. A person can be good about (oil changes).Logical formLearned from95 sentences.