Complaints can be about pollution.Logical formLearned from5 sentences. Plumes of pollution may cross boundaries.Logical formLearned from5 sentences. (Air pollution control features) can be state-of-the-art.Logical formLearned from5 sentences. A need can be for (pollution control).Logical formLearned from5 sentences. Issues may be related to (air pollution).Logical formLearned from5 sentences. Idols may undergo pollutions.Logical formLearned from5 sentences. Pollution can be lasting.Logical formLearned from5 sentences. An (air pollution) can be international.Logical formLearned from5 sentences. A (pollution control) can be urban.Logical formLearned from5 sentences. Outdoor (air pollution) can be a problem.Logical formLearned from5 sentences. Information can be on (pollution levels).Logical formLearned from5 sentences. Pollution may kill.Logical formLearned from5 sentences. Pollution may be emitted.Logical formLearned from5 sentences. A person may hate pollution.Logical formLearned from5 sentences. Developing countries may spur a growth of (carbon dioxide) pollution.Logical formLearned from5 sentences.