(Oxygen species) can be harmful.Logical formLearned from3 sentences. A disorder can be harmful.Logical formLearned from3 sentences. Some foods can be harmful.Logical formLearned from3 sentences. A (diesel pollution) can be harmful.Logical formLearned from3 sentences. A behavior can be harmful to self.Logical formLearned from3 sentences. Medicine can be harmful.Logical formLearned from3 sentences. (Health events) can be harmful.Logical formLearned from3 sentences. Charges can be harmful.Logical formLearned from3 sentences. A know-how can be harmful.Logical formLearned from3 sentences. A deflation can be harmful.Logical formLearned from3 sentences. A substance can be harmful to a body.Logical formLearned from3 sentences. Cells can be harmful.Logical formLearned from3 sentences. Insects can be harmful to agriculture.Logical formLearned from3 sentences. Particles can be harmful to a fish.Logical formLearned from3 sentences. Some (diet pills) can be harmful.Logical formLearned from3 sentences.