Discharges may cause (water pollution).Logical formLearned from3 sentences. Pollution can be from tanneries.Logical formLearned from3 sentences. Pollution may fill air.Logical formLearned from3 sentences. Pollution can be from mines.Logical formLearned from3 sentences. (Pollution problems) can be toxic.Logical formLearned from3 sentences. Solutions can be to problems of pollution.Logical formLearned from3 sentences. Deaths may be caused by (air pollution).Logical formLearned from3 sentences. Concern can be with pollution.Logical formLearned from3 sentences. (Air pollution) can be by satellite.Logical formLearned from3 sentences. Irritation may be caused by (air pollution).Logical formLearned from3 sentences. (Greenhouse gas pollution) can be from automobiles.Logical formLearned from3 sentences. Threats may include (air pollution).Logical formLearned from3 sentences. An increase can be in light pollution.Logical formLearned from3 sentences. Pollution can be on beaches.Logical formLearned from3 sentences. A (band blood pollution) can be fictional.Logical formLearned from3 sentences.