mItemVOGroupHash
Hash = "0x0" The VO group to look for, as the hash of its name.
A condition that passes when the other unit of the situation holds an item of the VO
group mItemVOGroupHash. IContextualCondition describes which unit is the
other unit in each situation. If the situation has no other unit, the condition fails.
Hash = "0x0" The VO group to look for, as the hash of its name.