A (coal consumer) may pertain-to the world.Logical formLearned from17 sentences. Some bodies can be in a (coal mine).Logical formLearned from17 sentences. A (coal production) can be tonnes.Logical formLearned from17 sentences. A coal can be exposed.Logical formLearned from17 sentences. A (coal strike) may pertain-to a us-state.Logical formLearned from17 sentences. A ship may carry of coal.Logical formLearned from17 sentences. A fuel can be a coal.Logical formLearned from17 sentences. A (coal mining) can be brown.Logical formLearned from17 sentences. A coal can be heavy.Logical formLearned from17 sentences. A (coal mining industry) may undergo a decline.Logical formLearned from17 sentences. Coal can be for heating.Logical formLearned from17 sentences. A coal can be wet.Logical formLearned from17 sentences. Respect can be to coal.Logical formLearned from17 sentences. Coals may pertain-to a country.Logical formLearned from17 sentences. Pneumoconiosis may pertain-to (coal workers).Logical formLearned from17 sentences.