A substance may undergo a solution.Logical formLearned from21 sentences. A substance can be to charges.Logical formLearned from21 sentences. Policies may undergo a substance.Logical formLearned from21 sentences. A letter may contain a substance.Logical formLearned from21 sentences. A substance can be in a system.Logical formLearned from21 sentences. Soy may contain estrogenic substances.Logical formLearned from21 sentences. Some substance may burn through a metal.Logical formLearned from21 sentences. Substances may include opium.Logical formLearned from21 sentences. Substances may be produced by a body.Logical formLearned from21 sentences. Substances may undergo a disposal.Logical formLearned from21 sentences. A substance may be formed.Logical formLearned from21 sentences. Lists can be constituted-of-or-filled-with substances.Logical formLearned from21 sentences. A density may pertain-to a substance.Logical formLearned from21 sentences. Substances may be allowed for use.Logical formLearned from21 sentences. An effect may pertain-to substances.Logical formLearned from21 sentences.