people require poison for sets
mustard_gas_poison is not blister_agent_poison. ve_poison is not miotic_substance_poison. tabun_poison is not miotic_substance_poison. miotic_substance_poison is not poisoning. mustard_gas_poison is poisoning. tabun_poison is miotic_substance_poison. sesquimustard_poison is mustard_gas_poison. sesquimustard_poison is not mustard_gas_poison. mustard_gas_poison is not poisoning. miotic_substance_poison is poisoning.