Stress can be harmful to an emotional health.Logical formLearned from2 sentences. Products can be harmful to human health.Logical formLearned from2 sentences. Flooding can be harmful.Logical formLearned from2 sentences. Maternal employment can be harmful.Logical formLearned from2 sentences. Activity can be harmful to a child.Logical formLearned from2 sentences. A stalemate can be harmful to an international-political-entity.Logical formLearned from2 sentences. Substances can be harmful to persons.Logical formLearned from2 sentences. Urine can be harmful.Logical formLearned from2 sentences. Hard drugs can be harmful.Logical formLearned from2 sentences. An empire can be harmful to a country.Logical formLearned from2 sentences. Religious institutions can be harmful.Logical formLearned from2 sentences. Activities can be harmful to (security interests).Logical formLearned from2 sentences. A wish can be harmful.Logical formLearned from2 sentences. (Television productions) can be harmful to a development of children.Logical formLearned from2 sentences. (Serum levels) can be harmful.Logical formLearned from2 sentences.