Pollution can be relentless.Logical formLearned from5 sentences. An area can be constituted-of-or-filled-with pollution.Logical formLearned from5 sentences. A watershed may undergo pollution.Logical formLearned from5 sentences. Compliance can be with (pollution control laws).Logical formLearned from5 sentences. Exposures can be to pollution.Logical formLearned from5 sentences. (Pollution controls) may work.Logical formLearned from5 sentences. Some source can be constituted-of-or-filled-with (air pollution).Logical formLearned from5 sentences. (Pollution levels) may undergo a monitoring.Logical formLearned from5 sentences. A person can be responsible for pollution.Logical formLearned from5 sentences. Pollution may be spreaded.Logical formLearned from5 sentences. Pollution of surface may occur.Logical formLearned from5 sentences. (Air pollution) can be from some (surface areas).Logical formLearned from5 sentences. (Water pollution) may result from (mine drainage).Logical formLearned from5 sentences. Pollution can be unexpected.Logical formLearned from5 sentences. Foods may protect against effects of environmental pollution.Logical formLearned from5 sentences.