(Land mines) may pertain-to a country.Logical formLearned from25 sentences. (Coal mines) can be unlicensed.Logical formLearned from25 sentences. Mines may be cleared.Logical formLearned from25 sentences. Officials can be at a mine.Logical formLearned from25 sentences. Conditions can be in mines.Logical formLearned from25 sentences. Dozens can be constituted-of-or-filled-with (land mines).Logical formLearned from25 sentences. A (gold mine) may pertain-to a company.Logical formLearned from25 sentences. A (mine explosion) can be in a country.Logical formLearned from25 sentences. Some workers may die in a (mine flood).Logical formLearned from25 sentences. Miners may work in a mine.Logical formLearned from25 sentences. A mine may undergo a flooding.Logical formLearned from25 sentences. Mines may kill.Logical formLearned from25 sentences. A person can be at a mine.Logical formLearned from24 sentences. A mine can be (copper mine).Logical formLearned from24 sentences. Production can be at mines.Logical formLearned from24 sentences.