Remains can be chemical.Logical formLearned from6 sentences. Experts may search for evidence of chemical weapons.Logical formLearned from6 sentences. Disinformation can be about an arsenal of chemical weapons.Logical formLearned from6 sentences. Chemical weapons may pose a threat.Logical formLearned from6 sentences. Terrorists may get hands on chemical weapons.Logical formLearned from6 sentences. Missiles may carry chemical weapons.Logical formLearned from6 sentences. Chemical weapons may undergo a delivery.Logical formLearned from6 sentences. Warheads can be chemical.Logical formLearned from6 sentences. A nitrofuran can be chemical.Logical formLearned from5 sentences. Chemical substances may undergo a registration.Logical formLearned from5 sentences. An (engineering professor) can be chemical.Logical formLearned from5 sentences. Protection can be from chemical incidents.Logical formLearned from5 sentences. A retaliation can be chemical.Logical formLearned from5 sentences. Assessments of risks may involve chemical weapons.Logical formLearned from5 sentences. A trade can be chemical.Logical formLearned from5 sentences.