A combination can be harmful.Logical formLearned from6 sentences. Combinations can be harmful.Logical formLearned from6 sentences. (Marijuana use) can be harmful.Logical formLearned from6 sentences. Substances can be harmful to an environment.Logical formLearned from6 sentences. A criticism can be harmful.Logical formLearned from6 sentences. A vice can be harmful.Logical formLearned from6 sentences. Contact can be harmful.Logical formLearned from6 sentences. Pot can be harmful.Logical formLearned from6 sentences. Meat can be harmful.Logical formLearned from6 sentences. A model can be harmful.Logical formLearned from6 sentences. (Child obscenity) can be harmful to a generation.Logical formLearned from6 sentences. Medias can be harmful.Logical formLearned from6 sentences. An invader can be harmful.Logical formLearned from6 sentences. (Insider trading) can be harmful.Logical formLearned from6 sentences. Drinking can be harmful.Logical formLearned from6 sentences.