Pollutants can be harmful to human health.Logical formLearned from4 sentences. An alga can be harmful.Logical formLearned from4 sentences. A feature can be harmful.Logical formLearned from4 sentences. A mixture can be harmful.Logical formLearned from4 sentences. A substance can be harmful to human health.Logical formLearned from4 sentences. Pollution can be harmful.Logical formLearned from4 sentences. An obstruction can be harmful.Logical formLearned from4 sentences. (Oxygen radicals) can be harmful.Logical formLearned from4 sentences. (Chemical emissions) can be harmful.Logical formLearned from4 sentences. Mists can be harmful.Logical formLearned from4 sentences. A run-off can be harmful.Logical formLearned from4 sentences. A statement can be harmful.Logical formLearned from4 sentences. Acts can be harmful.Logical formLearned from4 sentences. A regulation can be harmful.Logical formLearned from4 sentences. Exposures can be harmful.Logical formLearned from4 sentences.