Exposure can be to pollution.Logical formLearned from19 sentences. Allegations of pollution may emerge.Logical formLearned from19 sentences. (Air pollution) may remain a problem.Logical formLearned from18 sentences. Controls can be on pollution.Logical formLearned from18 sentences. Pollution may pertain-to a US-city.Logical formLearned from18 sentences. Exposure can be to indoor (air pollution).Logical formLearned from18 sentences. A (noise pollution) can be increased.Logical formLearned from18 sentences. An (air pollution) can be terrible.Logical formLearned from18 sentences. A contribution can be to (air pollution).Logical formLearned from18 sentences. A relationship can be between (air pollution).Logical formLearned from18 sentences. A (stormwater pollution) can be urban.Logical formLearned from18 sentences. (Air pollution) may undergo concentrations.Logical formLearned from18 sentences. Pollution may have an effect.Logical formLearned from18 sentences. A component can be constituted-of-or-filled-with pollution.Logical formLearned from18 sentences. (Pollution rights) may undergo an auction.Logical formLearned from18 sentences.