Outlet is related to Electricity. Electricity is related to Energy. Travel requires Energy. Pace is a type of Travel. 
Lion can be used for Hunting. Lion is related to African. 
Outlet <--RelatedTo--> Electricity <--RelatedTo--> Energy <--HasPrerequisite-- Travel <--IsA-- Pace 
Hunting <--UsedFor-- Lion <--RelatedTo--> African 