Mass culture can be harmful.Logical formLearned from1 sentences. Biochemical reactions can be harmful.Logical formLearned from1 sentences. A buildup of (carbon dioxide) can be harmful to visitors.Logical formLearned from1 sentences. Tugs can be harmful.Logical formLearned from1 sentences. Integration can be harmful.Logical formLearned from1 sentences. A pesticide-in-a-potato can be harmful to animals.Logical formLearned from1 sentences. (Custody squabbles) can be harmful.Logical formLearned from1 sentences. An illusion can be harmful to persons.Logical formLearned from1 sentences. A treaty can be harmful to small states.Logical formLearned from1 sentences. A project can be harmful.Logical formLearned from1 sentences. A moratorium can be harmful.Logical formLearned from1 sentences. A primary challenge to a president can be harmful.Logical formLearned from1 sentences. Decisions can be harmful.Logical formLearned from1 sentences. Ships can be harmful to whales.Logical formLearned from1 sentences. Connotations can be harmful.Logical formLearned from1 sentences.