A (coal mine) may undergo a closing.Logical formLearned from21 sentences. A mine may produce some tons of copper.Logical formLearned from21 sentences. A percent may pertain-to a (gold mine).Logical formLearned from21 sentences. An impact may pertain-to a mine.Logical formLearned from21 sentences. A (mine crisis) can be global.Logical formLearned from21 sentences. A (land mine) may blow_off a leg.Logical formLearned from21 sentences. A (mine operator) can be underground.Logical formLearned from21 sentences. An ore can be from a mine.Logical formLearned from21 sentences. A (mine reclamation) can be abandoned.Logical formLearned from21 sentences. Superintendent may pertain-to a mine.Logical formLearned from21 sentences. A (copper mine) may pertain-to a company.Logical formLearned from21 sentences. (Coal mines) may undergo a reclamation.Logical formLearned from21 sentences. (Mine tailings) can be toxic.Logical formLearned from21 sentences. (Coal mine disasters) can be in history.Logical formLearned from21 sentences. Persons can be a mine.Logical formLearned from21 sentences.