An activity can be harmful.Logical formLearned from6 sentences. A smoking can be harmful.Logical formLearned from6 sentences. Actions may be deemed harmful to interests.Logical formLearned from6 sentences. An (energy crisis) can be harmful for supply.Logical formLearned from6 sentences. A process can be harmful to an environment.Logical formLearned from6 sentences. A practice can be harmful to whales.Logical formLearned from6 sentences. A manner can be harmful to a public interest.Logical formLearned from6 sentences. A cancer can be harmful.Logical formLearned from6 sentences. A radioactive material can be harmful.Logical formLearned from6 sentences. Plants can be harmful.Logical formLearned from6 sentences. A misimpression can be harmful.Logical formLearned from6 sentences. Acts can be harmful to a security of a country.Logical formLearned from6 sentences. Consequences of a strike can be harmful.Logical formLearned from6 sentences. Roles can be harmful.Logical formLearned from6 sentences. A line can be harmful to national interests.Logical formLearned from6 sentences.