A blast can be at a mine.Logical formLearned from58 sentences. Mines may generate some percent of pollution.Logical formLearned from57 sentences. Mines can be hidden.Logical formLearned from57 sentences. A mine may undergo a management.Logical formLearned from57 sentences. Canaries can be in a (coal mine).Logical formLearned from57 sentences. (Land mines) may kill.Logical formLearned from57 sentences. A mine may go_off.Logical formLearned from57 sentences. A (mine shaft) can be flooded.Logical formLearned from57 sentences. Some workers may be trapped in a (coal mine).Logical formLearned from57 sentences. Mines can be in a country.Logical formLearned from57 sentences. A mine may open.Logical formLearned from56 sentences. Records can be for mines.Logical formLearned from56 sentences. (Mine operators) can be underground.Logical formLearned from56 sentences. (Gold mines) may pertain-to the world.Logical formLearned from56 sentences. Mines may undergo a discovery.Logical formLearned from56 sentences.