Pollution can be ideological.Logical formLearned from10 sentences. Pollution can be in a region.Logical formLearned from10 sentences. A prospect of pollution can be a problem.Logical formLearned from10 sentences. (Pollution problems) can be widespread.Logical formLearned from10 sentences. (Pollution levels) may pertain-to a country.Logical formLearned from9 sentences. Products may cause pollution.Logical formLearned from9 sentences. (Pollution accidents) may be reported.Logical formLearned from9 sentences. A situation can be serious with (pollution accidents).Logical formLearned from9 sentences. (Pollution accidents) may affect a quality of life.Logical formLearned from9 sentences. Pollution may be discharged from an industry.Logical formLearned from9 sentences. A country may face (soil pollution).Logical formLearned from9 sentences. Environmental pollution can be serious.Logical formLearned from9 sentences. A river may suffer a (water pollution incident).Logical formLearned from9 sentences. A (noise pollution) may pertain-to a city.Logical formLearned from9 sentences. Causes may pertain-to pollution.Logical formLearned from9 sentences.