(subclass BiochemicalWeapon WeaponOfMassDestruction) | WMD.kif 103-103 | Biochemical weapon is a subclass of weapon of mass destruction |
(subclass BiologicalWeapon BiochemicalWeapon) | WMD.kif 140-140 | Biological weapon is a subclass of biochemical weapon |
(subclass ChemicalWeapon BiochemicalWeapon) | WMD.kif 453-453 | Chemical weapon is a subclass of biochemical weapon |