Generation is related to Family. Family is related to Other. Other is related to Mate. 
Drug is etymologically related to Dry. Drug is a type of Agent. Agent is a type of Official. Official is related to Hall. 
Generation <--RelatedTo--> Family <--RelatedTo--> Other <--RelatedTo--> Mate 
Dry <--EtymologicallyRelatedTo-- Drug --IsA--> Agent --IsA--> Official <--RelatedTo--> Hall 