(Pollution limits) can be arbitrary.Logical formLearned from10 sentences. Persons may be harmed by pollution.Logical formLearned from10 sentences. A state can be with a (pollution record).Logical formLearned from10 sentences. A (pollution record) can be in a country.Logical formLearned from10 sentences. Pollution may have effects.Logical formLearned from10 sentences. (Air pollution) can be in a country.Logical formLearned from10 sentences. Pollution may clear.Logical formLearned from10 sentences. A mind may undergo pollution.Logical formLearned from10 sentences. A crackdown can be on pollution.Logical formLearned from10 sentences. A campaign can be against pollution.Logical formLearned from10 sentences. A decrease can be in (pollution levels).Logical formLearned from10 sentences. (Greenhouse gas pollution) can be a problem.Logical formLearned from10 sentences. (River water) may undergo pollution.Logical formLearned from10 sentences. Some problem can be pollution.Logical formLearned from10 sentences. An (environment ministry) may investigate (pollution allegations).Logical formLearned from10 sentences.