Bridge is related to Man. Crew is a type of Man. 
Slap is a type of Strike. Slap is related to Back. Back is related to Tail. Tail is a synonym of Dog. 
Bridge <--RelatedTo--> Man <--IsA-- Crew 
Strike <--IsA-- Slap <--RelatedTo--> Back <--RelatedTo--> Tail <--Synonym--> Dog 