A problem can be with pollution.Logical formLearned from18 sentences. An utility may prevent (water pollution).Logical formLearned from18 sentences. (Air pollution) can be in cities.Logical formLearned from18 sentences. Pollution can be catastrophic.Logical formLearned from18 sentences. Regard can be to pollution.Logical formLearned from18 sentences. (Pollution cuts) may remain unresolved.Logical formLearned from18 sentences. (Pollution levels) can be in a world-city.Logical formLearned from18 sentences. Pollution can be from agricultural runoff.Logical formLearned from18 sentences. Areas can be with (air pollution).Logical formLearned from18 sentences. A severity may pertain-to pollution.Logical formLearned from18 sentences. Pollution may be blamed for global warming.Logical formLearned from18 sentences. (Air pollution problems) can be urban.Logical formLearned from17 sentences. (Noise pollution) can be a problem.Logical formLearned from17 sentences. Pollution can be by ships.Logical formLearned from17 sentences. A result can be constituted-of-or-filled-with industrial pollution.Logical formLearned from17 sentences.