An outbreak of avian influenza can be harmful.Logical formLearned from2 sentences. An enlargement of an international-political-entity can be harmful.Logical formLearned from2 sentences. A failure can be harmful.Logical formLearned from2 sentences. (Sulphur oxen) can be harmful.Logical formLearned from2 sentences. A trend of (energy prices) can be harmful to economic growth.Logical formLearned from2 sentences. Activities may be considered harmful to (national security).Logical formLearned from2 sentences. Military action can be harmful that something-is-the-case.Logical formLearned from2 sentences. Life can be harmful for children.Logical formLearned from2 sentences. A cancer can be harmful to peace of a korean peninsula.Logical formLearned from2 sentences. An experience can be harmful to a country.Logical formLearned from2 sentences. Decisions can be harmful to a security.Logical formLearned from2 sentences. A relic can be harmful.Logical formLearned from2 sentences. Moves can be harmful for a country.Logical formLearned from2 sentences. A (television programming) can be harmful.Logical formLearned from2 sentences. A case can be harmful to a support.Logical formLearned from2 sentences.