(Coal miners) can be defiant.Logical formLearned from13 sentences. A (coal industry) can be in a us-state.Logical formLearned from13 sentences. A (coal mine explosion) can be in a country.Logical formLearned from13 sentences. A (coal region) may pertain-to a country.Logical formLearned from13 sentences. (Coal mines) may pertain-to a female.Logical formLearned from13 sentences. Carts can be in a (coal mine).Logical formLearned from13 sentences. A meeting can be on coal.Logical formLearned from13 sentences. Executives may haul over coals.Logical formLearned from13 sentences. Coals can be by a legislature.Logical formLearned from13 sentences. A (coal carrier) may run.Logical formLearned from13 sentences. A (coal producer) can be by output.Logical formLearned from13 sentences. (Coal mines) may be concentrated in a part of a country.Logical formLearned from13 sentences. (Coal mines) may operate.Logical formLearned from13 sentences. Some miners may be trapped in (coal mine).Logical formLearned from12 sentences. A (coal mine accident) can be deadly.Logical formLearned from12 sentences.