Gun is related to Violent. Violent is a different concept from Peace. Peace is the opposite of Protest. Protest is related to Striking. 
Drop is related to Soup. you are likely to find Spoon in/at/on Soup. 
Gun <--RelatedTo--> Violent <--DistinctFrom--> Peace <--Antonym--> Protest <--RelatedTo--> Striking 
Drop <--RelatedTo--> Soup <--AtLocation-- Spoon 