A (coal miner) can be underground.Logical formLearned from17 sentences. A (coal mine) may pertain-to persons.Logical formLearned from17 sentences. Stockpiles can be constituted-of-or-filled-with coal.Logical formLearned from17 sentences. Persons may produce coal.Logical formLearned from17 sentences. A (coal market) may pertain-to a country.Logical formLearned from17 sentences. An explosion can be in a (coal mine).Logical formLearned from17 sentences. A moratorium can be on (coal plants).Logical formLearned from17 sentences. Energy can be from coal.Logical formLearned from17 sentences. A shaft may pertain-to a (coal mine).Logical formLearned from17 sentences. (Coal dust) may undergo an accumulation.Logical formLearned from17 sentences. A heap can be constituted-of-or-filled-with coal.Logical formLearned from17 sentences. A (coal mining company) may pertain-to a country.Logical formLearned from17 sentences. (Coal mines) can be in province.Logical formLearned from17 sentences. A coal may undergo a burning.Logical formLearned from17 sentences. (Coal seams) can be exposed.Logical formLearned from17 sentences.