A (coal mine) can be in a region.Logical formLearned from39 sentences. Coal may undergo a distribution.Logical formLearned from38 sentences. A group can be constituted-of-or-filled-with (coal miners).Logical formLearned from38 sentences. A source can be constituted-of-or-filled-with coal.Logical formLearned from38 sentences. A coal can be fossil.Logical formLearned from38 sentences. Access can be to coal.Logical formLearned from38 sentences. Coal may undergo importance.Logical formLearned from38 sentences. Sales can be constituted-of-or-filled-with coal.Logical formLearned from38 sentences. (Coal plants) can be pulverized.Logical formLearned from38 sentences. Loads can be constituted-of-or-filled-with coal.Logical formLearned from38 sentences. Clean coal may undergo a use.Logical formLearned from38 sentences. A (coal reserve) can be in a country.Logical formLearned from37 sentences. A (coal mine) can be a mine.Logical formLearned from37 sentences. (Coal reserve) can be in a country.Logical formLearned from37 sentences. Costs can be for coal.Logical formLearned from37 sentences.