Hang is related to Tree. Coffee is a type of Tree. Coffee is related to Drinking. Drinking requires Tolerance. 
Couple is related to Marry. Marry is related to Alliance. Alliance is related to Affair. 
Hang <--RelatedTo--> Tree <--IsA-- Coffee <--RelatedTo--> Drinking --HasPrerequisite--> Tolerance 
Couple <--RelatedTo--> Marry <--RelatedTo--> Alliance <--RelatedTo--> Affair 