A drug can be harmful.Logical formLearned from18 sentences. A (drug use) can be harmful.Logical formLearned from18 sentences. A particulate matter can be harmful.Logical formLearned from18 sentences. A gene can be harmful.Logical formLearned from18 sentences. A protein can be harmful.Logical formLearned from18 sentences. Cannabis can be harmful.Logical formLearned from18 sentences. A side can be harmful.Logical formLearned from18 sentences. Characteristics can be harmful.Logical formLearned from18 sentences. An element can be harmful.Logical formLearned from18 sentences. A method can be harmful.Logical formLearned from17 sentences. (Computer viruses) can be harmful.Logical formLearned from17 sentences. Parts can be harmful.Logical formLearned from17 sentences. Organic compounds can be harmful.Logical formLearned from17 sentences. Omissions can be harmful.Logical formLearned from17 sentences. Problems can be harmful.Logical formLearned from17 sentences.