Quarterback is a type of Back. Quarterback is related to Pass. Pass is related to Cooperation. Cooperation is a different concept from Conflict. 
Computer is related to Type. Type is related to Case. 
Back <--IsA-- Quarterback <--RelatedTo--> Pass <--RelatedTo--> Cooperation <--DistinctFrom--> Conflict 
Computer <--RelatedTo--> Type <--RelatedTo--> Case 