Coast is related to East. East is related to Division. Division is related to Equation. 
Male is a type of Sex. Sex is related to Man. Spokesman is etymologically related to Man. 
Coast <--RelatedTo--> East <--RelatedTo--> Division <--RelatedTo--> Equation 
Male --IsA--> Sex <--RelatedTo--> Man <--EtymologicallyRelatedTo-- Spokesman 