A mine can be isolated.Logical formLearned from17 sentences. An explosion can be in a (coal mine).Logical formLearned from17 sentences. (Copper mines) can be rich.Logical formLearned from17 sentences. (Mine accidents) may pertain-to a country.Logical formLearned from17 sentences. A shaft may pertain-to a (coal mine).Logical formLearned from17 sentences. A (gold mine) can be productive.Logical formLearned from17 sentences. Mines can be small.Logical formLearned from17 sentences. A wall may pertain-to a mine.Logical formLearned from17 sentences. Fields can be constituted-of-or-filled-with mines.Logical formLearned from17 sentences. (Coal mines) can be in province.Logical formLearned from17 sentences. Tailings can be from a mine.Logical formLearned from17 sentences. Mines can be high-tech.Logical formLearned from17 sentences. Mines can be in mountains.Logical formLearned from17 sentences. (Coal mines) may be operated in a manner.Logical formLearned from17 sentences. A (land mine) may go_off.Logical formLearned from17 sentences.