A heavy metal can be harmful.Logical formLearned from2 sentences. (Side effects) can be harmful.Logical formLearned from2 sentences. Persons may find harmful.Logical formLearned from2 sentences. Moves can be harmful.Logical formLearned from2 sentences. A shift can be harmful.Logical formLearned from2 sentences. A chemical can be harmful to humans.Logical formLearned from2 sentences. A series can be harmful.Logical formLearned from2 sentences. A (methane gas) can be harmful.Logical formLearned from2 sentences. Some plants can be harmful.Logical formLearned from2 sentences. Systemic effects can be harmful.Logical formLearned from2 sentences. Benefits can be harmful.Logical formLearned from2 sentences. Scenarios can be harmful.Logical formLearned from2 sentences. Autoimmune responses can be harmful.Logical formLearned from2 sentences. A manner can be harmful.Logical formLearned from2 sentences. A siltation can be harmful.Logical formLearned from2 sentences.