A substance can be dumb.Logical formLearned from12 sentences. An enamel can be a substance.Logical formLearned from12 sentences. A person may have (substance abuse problems).Logical formLearned from12 sentences. Common misconceptions may regard hazardous substances.Logical formLearned from12 sentences. Substances can be extended.Logical formLearned from12 sentences. A weight may pertain-to a substance.Logical formLearned from12 sentences. A substance can be modified.Logical formLearned from12 sentences. A substance can be cosmic.Logical formLearned from12 sentences. A substance may be found in a letter.Logical formLearned from12 sentences. Food can be a substance.Logical formLearned from12 sentences. Substances may be deemed.Logical formLearned from12 sentences. A substance can be in an activity.Logical formLearned from12 sentences. A biological substance may undergo a manufacture.Logical formLearned from12 sentences. Substance can be between an essay.Logical formLearned from12 sentences. A substance can be discovered.Logical formLearned from12 sentences.