Fluoridation can be harmful.Logical formLearned from3 sentences. (Metal particles) can be harmful.Logical formLearned from3 sentences. A kind of knowledge can be harmful.Logical formLearned from3 sentences. A fluid can be harmful.Logical formLearned from3 sentences. Standardized testing can be harmful to schools.Logical formLearned from3 sentences. Tariffs can be harmful.Logical formLearned from3 sentences. Arrays may be considered harmful.Logical formLearned from3 sentences. Solutions can be harmful.Logical formLearned from3 sentences. (Petrochemical products) can be harmful.Logical formLearned from3 sentences. A snack can be harmful.Logical formLearned from3 sentences. News can be harmful.Logical formLearned from3 sentences. An enemy can be harmful.Logical formLearned from3 sentences. (Trade policies) can be harmful.Logical formLearned from3 sentences. Glazes can be harmful.Logical formLearned from3 sentences. Advice can be harmful.Logical formLearned from3 sentences.