Plants can be harmful.Logical formLearned from43 sentences. Solvents can be harmful.Logical formLearned from43 sentences. A precedent can be harmful.Logical formLearned from43 sentences. Errors can be harmful.Logical formLearned from43 sentences. A (carbon dioxide) can be harmful.Logical formLearned from42 sentences. A change can be harmful.Logical formLearned from42 sentences. Objects can be harmful.Logical formLearned from42 sentences. A solar radiation can be harmful.Logical formLearned from42 sentences. Concentrations can be harmful.Logical formLearned from41 sentences. A message can be harmful.Logical formLearned from40 sentences. A failure can be harmful to economic growth.Logical formLearned from40 sentences. Legislation can be harmful.Logical formLearned from40 sentences. Stuff can be harmful.Logical formLearned from39 sentences. (Sun rays) can be harmful.Logical formLearned from39 sentences. Products can be harmful.Logical formLearned from39 sentences.