Coal may be discovered in an area.Logical formLearned from10 sentences. Coal may be mined in an area.Logical formLearned from10 sentences. A coal can be fresh.Logical formLearned from10 sentences. Coal may enable a range.Logical formLearned from10 sentences. Particles can be constituted-of-or-filled-with coal.Logical formLearned from10 sentences. (Coal mines) can be rich.Logical formLearned from10 sentences. A coal can be from a mine.Logical formLearned from10 sentences. A (coal mine) may undergo an opening.Logical formLearned from10 sentences. A (coal seam) may pertain-to a female.Logical formLearned from10 sentences. A coal may pertain-to a continent.Logical formLearned from10 sentences. (Coal reserve) may undergo an exploitation.Logical formLearned from10 sentences. A coal can be incoming.Logical formLearned from10 sentences. (Coal miners) may pertain-to a male.Logical formLearned from10 sentences. Coal may undergo a decline.Logical formLearned from10 sentences. A coal may be transported.Logical formLearned from10 sentences.