Inflation is a type of Explosion. Inflation is a type of Finance. Finance is related to Account. Account is a synonym of Inventory. 
Rule is related to Ability. Accountability is derived from Ability. 
Explosion <--IsA-- Inflation --IsA--> Finance <--RelatedTo--> Account <--Synonym--> Inventory 
Rule <--RelatedTo--> Ability <--DerivedFrom-- Accountability 