(Air pollution) can be a contributor.Logical formLearned from5 sentences. Pollution can be an example.Logical formLearned from5 sentences. An indoor (air pollution) can be reduced.Logical formLearned from5 sentences. (Coal burning) can be a source of pollution.Logical formLearned from5 sentences. Pollution can be causes of cancer.Logical formLearned from5 sentences. (Water pollution) can be in areas.Logical formLearned from5 sentences. (Water pollution) can be on a rise.Logical formLearned from5 sentences. (Pollution emissions) can be from facilities.Logical formLearned from5 sentences. Permits may limit (pollution emissions).Logical formLearned from5 sentences. Pollution may surround persons.Logical formLearned from5 sentences. Pollution may be increased.Logical formLearned from5 sentences. An (administration rule) may prevent states from impossing monitoring of pollution.Logical formLearned from5 sentences. Pollution may get bad.Logical formLearned from5 sentences. Persons may contribute to (greenhouse pollution).Logical formLearned from5 sentences. (Air pollution) can be in a news.Logical formLearned from5 sentences.