A paper may undergo a substance.Logical formLearned from34 sentences. A risk can be for (substance abuse).Logical formLearned from34 sentences. Conversations may undergo a substance.Logical formLearned from34 sentences. Substances can be heterogeneous.Logical formLearned from33 sentences. A substance can be effective.Logical formLearned from33 sentences. A substance may harm a person.Logical formLearned from33 sentences. Summaries can be about hazardous substances.Logical formLearned from33 sentences. A substance can be on a list.Logical formLearned from33 sentences. A substance may pertain-to a deity.Logical formLearned from33 sentences. A substance can be pharmaceutical.Logical formLearned from33 sentences. Hazardous substances can be from (waste sites).Logical formLearned from33 sentences. A substance can be evil.Logical formLearned from33 sentences. Substances may undergo a synthesis.Logical formLearned from33 sentences. A substance may be created.Logical formLearned from33 sentences. A platform may undergo a substance.Logical formLearned from33 sentences.