Pollution may undergo an evaluation.Logical formLearned from4 sentences. A deal may pertain-to pollution.Logical formLearned from4 sentences. Sources can be constituted-of-or-filled-with (oil pollution).Logical formLearned from4 sentences. (Beach waters) may undergo pollution.Logical formLearned from4 sentences. (Air pollution) may be generated.Logical formLearned from4 sentences. A space may undergo pollution.Logical formLearned from4 sentences. Pollution can be from (paper mills).Logical formLearned from4 sentences. A (water pollution problem) may pertain-to persons.Logical formLearned from4 sentences. Benefits can be constituted-of-or-filled-with pollution.Logical formLearned from4 sentences. (Pollution sources) may undergo an understanding.Logical formLearned from4 sentences. A company may monitor (air pollution).Logical formLearned from4 sentences. An (air pollution prediction) can be regional.Logical formLearned from4 sentences. Problems can be constituted-of-or-filled-with (chemical pollution).Logical formLearned from4 sentences. Pollution can be at levels.Logical formLearned from4 sentences. A threat may be posed by pollution.Logical formLearned from4 sentences.