a sow is a mean of poison
sow is swine. poison is destructiveness. sarin_poison is miotic_substance_poison. soman_poison is not miotic_substance_poison. sow is not swine. tabun_poison is miotic_substance_poison. sarin_poison is not miotic_substance_poison. soman_poison is miotic_substance_poison. alcohol_poison is poisoning. miotic_substance_poison is poisoning.