(Silver mines) can be rich.Logical formLearned from21 sentences. Mines can be closed.Logical formLearned from21 sentences. (Uranium mines) can be underground.Logical formLearned from21 sentences. (Land mines) may undergo a use.Logical formLearned from21 sentences. A male may work in a (coal mine).Logical formLearned from21 sentences. Mines may undergo an expansion.Logical formLearned from21 sentences. Mines may produce.Logical formLearned from21 sentences. Opposition can be to a mine.Logical formLearned from21 sentences. (Uranium mines) may pertain-to a country.Logical formLearned from21 sentences. Coal can be from a mine.Logical formLearned from21 sentences. A mine can be under construction.Logical formLearned from21 sentences. Explosions can be at a mine.Logical formLearned from21 sentences. A convoy may move for fear of mines.Logical formLearned from21 sentences. Mines may play_out.Logical formLearned from21 sentences. Ownership may pertain-to a mine.Logical formLearned from21 sentences.