A ban can be harmful to an environment.Logical formLearned from6 sentences. Worms can be harmful.Logical formLearned from5 sentences. Organic solvents can be harmful.Logical formLearned from5 sentences. Financial products can be harmful.Logical formLearned from5 sentences. A (chemical substance) can be harmful.Logical formLearned from5 sentences. Chemicals can be harmful to human health.Logical formLearned from5 sentences. A side-effect can be harmful.Logical formLearned from5 sentences. A (domino effect) can be harmful.Logical formLearned from5 sentences. A venom can be harmful to humans.Logical formLearned from5 sentences. (Energy sources) can be harmful.Logical formLearned from5 sentences. An infection can be harmful.Logical formLearned from5 sentences. Analgesia can be harmful.Logical formLearned from5 sentences. Fires can be harmful.Logical formLearned from5 sentences. Experiences can be harmful.Logical formLearned from5 sentences. Smoke can be harmful.Logical formLearned from5 sentences.