(subclass BloodAgent ChemicalAgent) | WMD.kif 522-522 | Blood agent is a subclass of chemical agent |
(subclass HydrogenCyanide BloodAgent) | WMD.kif 528-528 | Hydrogen cyanide is a subclass of blood agent |
(subclass CyanogenChloride BloodAgent) | WMD.kif 534-534 | Cyanogen chloride is a subclass of blood agent |
(subclass Arsine BloodAgent) | WMD.kif 540-540 | Arsine is a subclass of blood agent |