Bow is a type of Stroke. Stroke is a synonym of Hit. Brain is a type of Hit. Brain is a synonym of Genius. 
Sample is a type of Example. Example is a synonym of Case. Case is related to Handle. Handle is the opposite of Lid. 
Bow --IsA--> Stroke <--Synonym--> Hit <--IsA-- Brain <--Synonym--> Genius 
Sample --IsA--> Example <--Synonym--> Case <--RelatedTo--> Handle <--Antonym--> Lid 