Chemicals can be harmful to humans.Logical formLearned from2 sentences. Some bugs can be harmful.Logical formLearned from2 sentences. Someone can be harmful.Logical formLearned from2 sentences. Certainty can be harmful.Logical formLearned from2 sentences. A government can be harmful.Logical formLearned from2 sentences. Rays can be harmful to a body.Logical formLearned from2 sentences. Agreements can be harmful.Logical formLearned from2 sentences. (Lead exposure) can be harmful.Logical formLearned from2 sentences. Pills can be harmful to humans.Logical formLearned from2 sentences. Competition can be harmful.Logical formLearned from2 sentences. Damages can be harmful.Logical formLearned from2 sentences. Drugs can be harmful to a body.Logical formLearned from2 sentences. Substances can be harmful to a body.Logical formLearned from2 sentences. Steps can be harmful.Logical formLearned from2 sentences. Side effects can be harmful.Logical formLearned from2 sentences.