Radioactive dust can be harmful.Logical formLearned from3 sentences. Tumors can be harmful.Logical formLearned from3 sentences. Information may be deemed harmful to national security.Logical formLearned from3 sentences. A motive can be harmful.Logical formLearned from3 sentences. (Radio waves) can be harmful.Logical formLearned from3 sentences. A (mining waste) can be harmful.Logical formLearned from3 sentences. Innovation can be harmful.Logical formLearned from3 sentences. Diets can be harmful.Logical formLearned from3 sentences. Actions may be considered harmful to national security.Logical formLearned from3 sentences. Traces of melamine can be harmful in foods.Logical formLearned from3 sentences. A move can be harmful to investors.Logical formLearned from3 sentences. A venom can be harmful.Logical formLearned from3 sentences. Leaks can be harmful to national security.Logical formLearned from3 sentences. Blood can be harmful to patients.Logical formLearned from3 sentences. Chemicals can be harmful to an ozone.Logical formLearned from3 sentences.