Chemicals can be harmful to persons.Logical formLearned from4 sentences. Outbreaks can be constituted-of-or-filled-with harmful algal blooms.Logical formLearned from4 sentences. Biotoxins can be from harmful algal blooms.Logical formLearned from4 sentences. (Waste materials) can be harmful.Logical formLearned from4 sentences. A (manufacturing process) can be harmful.Logical formLearned from4 sentences. Bacteria can be harmful to human health.Logical formLearned from4 sentences. Objects can be harmful.Logical formLearned from4 sentences. A movement can be harmful.Logical formLearned from4 sentences. A (food additive) can be harmful.Logical formLearned from4 sentences. Infection can be harmful.Logical formLearned from4 sentences. A medicine can be harmful.Logical formLearned from4 sentences. Planets can be harmful.Logical formLearned from4 sentences. Tests can be harmful.Logical formLearned from4 sentences. Trade can be harmful.Logical formLearned from4 sentences. Deficits can be harmful.Logical formLearned from4 sentences.