Power is related to President. you are likely to find President in/at/on Government. Government is related to Criminal. 
Grandfather is a type of Ancestor. Grandfather is a different concept from Grandmother. Grandmother is related to Relative. 
Power <--RelatedTo--> President --AtLocation--> Government <--RelatedTo--> Criminal 
Ancestor <--IsA-- Grandfather <--DistinctFrom--> Grandmother <--RelatedTo--> Relative 