Ways can be harmful to an environment.Logical formLearned from4 sentences. A being can be harmful.Logical formLearned from4 sentences. (Passive smoking) can be harmful.Logical formLearned from4 sentences. A (currency manipulator) can be harmful to the economy.Logical formLearned from4 sentences. A disruption can be harmful to a (housing market).Logical formLearned from4 sentences. An affect can be harmful.Logical formLearned from4 sentences. A duty can be harmful for a (timber processing industry).Logical formLearned from4 sentences. A language can be harmful.Logical formLearned from4 sentences. Some alien species can be harmful.Logical formLearned from4 sentences. Toads can be harmful to humans.Logical formLearned from4 sentences. (Blood clots) can be harmful.Logical formLearned from4 sentences. Melamine can be harmful to kidneys.Logical formLearned from4 sentences. A neurotoxin can be harmful to humans.Logical formLearned from4 sentences. A strike can be harmful.Logical formLearned from4 sentences. Greenhouse-gas emissions can be harmful.Logical formLearned from4 sentences.