A coal can be quality.Logical formLearned from65 sentences. Coal can be for (power generation).Logical formLearned from64 sentences. A need can be for coal.Logical formLearned from64 sentences. A discovery of coal may lead to industrialisation of an area.Logical formLearned from64 sentences. (Coal mining operations) can be underground.Logical formLearned from64 sentences. (Coal mines) can be dangerous.Logical formLearned from63 sentences. A country can be a producer of coal.Logical formLearned from63 sentences. A (coal town) may pertain-to a us-state.Logical formLearned from62 sentences. Coals can be red-hot.Logical formLearned from62 sentences. (Coal miner) may fall some percent to some rupiah.Logical formLearned from62 sentences. (Power plants) may burn coal.Logical formLearned from61 sentences. A coal can be leased.Logical formLearned from61 sentences. A pile can be constituted-of-or-filled-with coal.Logical formLearned from61 sentences. Imports can be constituted-of-or-filled-with coal.Logical formLearned from60 sentences. Coal may undergo a shipment.Logical formLearned from60 sentences.