Weeds can be harmful.Logical formLearned from18 sentences. A runoff can be harmful.Logical formLearned from18 sentences. A takeover can be harmful.Logical formLearned from18 sentences. A magic can be harmful.Logical formLearned from18 sentences. (Uv rays) can be harmful.Logical formLearned from18 sentences. Research can be harmful.Logical formLearned from18 sentences. An immune response can be harmful.Logical formLearned from18 sentences. Associations can be harmful.Logical formLearned from18 sentences. Measures can be harmful.Logical formLearned from18 sentences. Mistakes can be harmful.Logical formLearned from18 sentences. Radiations can be harmful.Logical formLearned from18 sentences. Disclosure can be harmful.Logical formLearned from18 sentences. Proposals can be harmful.Logical formLearned from18 sentences. An alternative can be harmful.Logical formLearned from18 sentences. (Chemical compounds) can be harmful.Logical formLearned from18 sentences.