Some bacteria can be harmful.Logical formLearned from8 sentences. Rays can be harmful to skin.Logical formLearned from8 sentences. (Pregnancy category c) can be harmful to an unborn baby.Logical formLearned from8 sentences. Scripts can be harmful.Logical formLearned from8 sentences. A direction can be harmful.Logical formLearned from8 sentences. Artificial sweeteners can be harmful.Logical formLearned from8 sentences. Waves can be harmful.Logical formLearned from8 sentences. Diets can be harmful.Logical formLearned from8 sentences. Micro organisms can be harmful.Logical formLearned from8 sentences. A polyunsaturated fat can be harmful.Logical formLearned from8 sentences. An (inflammation characteristic) can be harmful.Logical formLearned from8 sentences. An amount of chemicals can be harmful.Logical formLearned from8 sentences. A fuel can be harmful.Logical formLearned from8 sentences. Fossil fuels can be harmful.Logical formLearned from8 sentences. Growths can be harmful.Logical formLearned from8 sentences.