Officials may describe a substance.Logical formLearned from11 sentences. A substance may be found on a plane.Logical formLearned from11 sentences. Substances may be inclosed in a letter.Logical formLearned from11 sentences. A group may differentiate a recreational drug from a substance.Logical formLearned from11 sentences. Persons may fall after inhaling a substance.Logical formLearned from11 sentences. A person may be injected with a substance.Logical formLearned from11 sentences. Substance can be to a claim.Logical formLearned from11 sentences. Substances may be detected.Logical formLearned from11 sentences. Matters may undergo a substance.Logical formLearned from11 sentences. A story may have substance.Logical formLearned from11 sentences. An agreement can be on substance.Logical formLearned from11 sentences. An agent can be for substances.Logical formLearned from11 sentences. A test may undergo a substance.Logical formLearned from11 sentences. A (radioactive substance) can be toxic.Logical formLearned from11 sentences. Origin may undergo a substance.Logical formLearned from11 sentences.