A (coal mine fire) may pertain-to a country.Logical formLearned from11 sentences. Some (coal mine accidents) may claim some lives.Logical formLearned from11 sentences. A country may depend on coal.Logical formLearned from11 sentences. (Coal mine safety supervision) may undergo an administration.Logical formLearned from11 sentences. (Coal mines) may pertain-to a province.Logical formLearned from11 sentences. A (coal industry administration) can be provincial.Logical formLearned from11 sentences. A (shaft coal mine) can be vertical.Logical formLearned from11 sentences. A (coal field) may pertain-to a country.Logical formLearned from11 sentences. A (coal producer) can be in a country.Logical formLearned from11 sentences. A (coal production base) may pertain-to a country.Logical formLearned from11 sentences. (Coal seams) may pertain-to an area.Logical formLearned from11 sentences. A person can be a chunk of coal.Logical formLearned from11 sentences. A coal may pertain-to a river.Logical formLearned from11 sentences. (Coal prices) may fall.Logical formLearned from11 sentences. A family may pertain-to a (coal miner).Logical formLearned from11 sentences.