Island can be used for Relax. Island is related to Ocean. Ocean is related to Depth. Depth is a type of Extent. 
Mayor is related to President. President is related to Democracy. Democracy is related to Type. Type is related to Print. 
Relax <--UsedFor-- Island <--RelatedTo--> Ocean <--RelatedTo--> Depth --IsA--> Extent 
Mayor <--RelatedTo--> President <--RelatedTo--> Democracy <--RelatedTo--> Type <--RelatedTo--> Print 