Living is related to Age. Age is related to Length. Length is related to Hour. 
Bother is a type of Confuse. Confuse is a type of Mistake. Mistake is related to Failure. 
Living <--RelatedTo--> Age <--RelatedTo--> Length <--RelatedTo--> Hour 
Bother --IsA--> Confuse --IsA--> Mistake <--RelatedTo--> Failure 