Customs can be harmful.Logical formLearned from9 sentences. A phytoplankton can be harmful.Logical formLearned from9 sentences. Confusion can be harmful.Logical formLearned from9 sentences. A reaction can be harmful.Logical formLearned from9 sentences. An action can be harmful.Logical formLearned from9 sentences. Accidents can be harmful.Logical formLearned from9 sentences. A release can be harmful.Logical formLearned from9 sentences. (Ozone levels) can be harmful.Logical formLearned from9 sentences. (Cigarette smoking) can be harmful to health.Logical formLearned from9 sentences. An amendment can be harmful.Logical formLearned from9 sentences. An amount can be harmful.Logical formLearned from9 sentences. Information may be deemed harmful to a state.Logical formLearned from9 sentences. Abortion can be harmful.Logical formLearned from9 sentences. Operations can be harmful.Logical formLearned from9 sentences. Issues can be harmful.Logical formLearned from9 sentences.