Term is related to Mate. Mate is a type of Officer. Officer is a synonym of Direct. Direct is related to Coordinator. 
Oil is related to Power. Power is related to Sail. 
Term <--RelatedTo--> Mate --IsA--> Officer <--Synonym--> Direct <--RelatedTo--> Coordinator 
Oil <--RelatedTo--> Power <--RelatedTo--> Sail 