(Cigarette smoke) can be harmful to children.Logical formLearned from1 sentences. Ink can be harmful to health.Logical formLearned from1 sentences. (Amphetamine use) can be harmful.Logical formLearned from1 sentences. A case can be harmful to clandestine operations.Logical formLearned from1 sentences. A package can be harmful to patients.Logical formLearned from1 sentences. Cards can be harmful to minors.Logical formLearned from1 sentences. A (virus program) can be harmful.Logical formLearned from1 sentences. Perceptions can be harmful.Logical formLearned from1 sentences. Presence of staph can be harmful to some patients.Logical formLearned from1 sentences. A cleaner can be harmful to reptiles.Logical formLearned from1 sentences. Crack can be harmful to society.Logical formLearned from1 sentences. A company can be harmful to pregnant women.Logical formLearned from1 sentences. Some witnesses may prove harmful.Logical formLearned from1 sentences. Results of action can be harmful.Logical formLearned from1 sentences. Drinking can be harmful to pregnant women.Logical formLearned from1 sentences.