General is related to Royal. Royal is related to Social. 
Congress is a different concept from Senate. Senate is a different concept from Representative. Representative is related to Person. Terrorist is a type of Person. 
General <--RelatedTo--> Royal <--RelatedTo--> Social 
Congress <--DistinctFrom--> Senate <--DistinctFrom--> Representative <--RelatedTo--> Person <--IsA-- Terrorist 