winter england the symbol of available poison in an fog
ice_fog is fog. chemical_symbol_of_iron is fe. vx_poison is miotic_substance_poison. tabun_poison is not miotic_substance_poison. ve_poison is miotic_substance_poison. soman_poison is not miotic_substance_poison. tabun_poison is miotic_substance_poison. soman_poison is miotic_substance_poison. england_often has fog miotic_substance_poison is poisoning.