Medical is related to Care. Care is related to Handle. Handle is related to Iron. 
Baseball is related to Division. Division is related to League. League is a type of Association. Association is related to Help. 
Medical <--RelatedTo--> Care <--RelatedTo--> Handle <--RelatedTo--> Iron 
Baseball <--RelatedTo--> Division <--RelatedTo--> League --IsA--> Association <--RelatedTo--> Help 