A disturbance can be due to effects of a substance.Logical formLearned from10 sentences. A substance may be preserved.Logical formLearned from10 sentences. A substance can be on a floor.Logical formLearned from10 sentences. A covenant may undergo a substance.Logical formLearned from10 sentences. A substance can be hard.Logical formLearned from10 sentences. A character may undergo a substance.Logical formLearned from10 sentences. A heart may undergo a substance.Logical formLearned from10 sentences. Substances can be well-known.Logical formLearned from10 sentences. Interviews may undergo a substance.Logical formLearned from10 sentences. A male may use illegal substances.Logical formLearned from10 sentences. Substances can be safe.Logical formLearned from10 sentences. Substances can be experimental.Logical formLearned from10 sentences. Substances may be mentioned.Logical formLearned from10 sentences. Persons may need substance.Logical formLearned from10 sentences. A supplement may contain a substance.Logical formLearned from10 sentences.