(Air pollution) can be from emissions.Logical formLearned from7 sentences. (Mercury pollution) can be in a country.Logical formLearned from7 sentences. Pollution can be in an atmosphere.Logical formLearned from7 sentences. Pollution may have an effect.Logical formLearned from7 sentences. Marine pollution can be from sources.Logical formLearned from7 sentences. An increase can be in (water pollution).Logical formLearned from7 sentences. A light pollution can be increased.Logical formLearned from7 sentences. Problems may be caused by pollution.Logical formLearned from7 sentences. Concerns may include pollution.Logical formLearned from7 sentences. Concerns can be about environmental pollution.Logical formLearned from7 sentences. A light pollution can be artificial.Logical formLearned from7 sentences. (Air pollution) can be in a form of smog.Logical formLearned from7 sentences. Pollution may cause damage.Logical formLearned from7 sentences. A US-city may have an (air pollution).Logical formLearned from7 sentences. Pollution may be reported.Logical formLearned from7 sentences.