An accident can be at a (coal mine).Logical formLearned from28 sentences. A mine may be built.Logical formLearned from28 sentences. Some mines can be in a country.Logical formLearned from28 sentences. A pit may pertain-to a mine.Logical formLearned from28 sentences. A country may be littered with mines.Logical formLearned from28 sentences. A person may work in a mine.Logical formLearned from28 sentences. Mines can be across a country.Logical formLearned from28 sentences. A ban can be on a production of (land mines).Logical formLearned from28 sentences. A spokesman can be for a mine.Logical formLearned from28 sentences. A mine may produce some ounces.Logical formLearned from28 sentences. A shaft can be in a mine.Logical formLearned from28 sentences. An (iron ore mine) can be flooded.Logical formLearned from27 sentences. (Coal mine) can be in a country.Logical formLearned from27 sentences. A history may pertain-to a mine.Logical formLearned from27 sentences. A mine can be profitable.Logical formLearned from27 sentences.