Pollution can be common.Logical formLearned from5 sentences. Pollution may start.Logical formLearned from5 sentences. A number of laws may reduce light pollution.Logical formLearned from5 sentences. (Air pollution) can be low.Logical formLearned from5 sentences. An area can be with (air pollution).Logical formLearned from5 sentences. Worlds may produce pollution.Logical formLearned from5 sentences. Development may cause light pollution.Logical formLearned from5 sentences. Pollution may choke a marsh.Logical formLearned from5 sentences. Trees may cause (air pollution).Logical formLearned from5 sentences. Costs can be for (pollution cleanup).Logical formLearned from5 sentences. A battle can be against (water pollution).Logical formLearned from5 sentences. Pollution can be atomic.Logical formLearned from5 sentences. (Auto emissions) may cause pollution.Logical formLearned from5 sentences. A us-state may have an (air pollution).Logical formLearned from5 sentences. Fires may cause pollution.Logical formLearned from5 sentences.