Argue is a synonym of Fence. you are likely to find Gate in/at/on Fence. Gate is related to Boundary. 
Formation is related to Mountain. Mountain is the opposite of Ground. Ground is related to Pepper. Pepper is the opposite of Sugar. 
Argue <--Synonym--> Fence <--AtLocation-- Gate <--RelatedTo--> Boundary 
Formation <--RelatedTo--> Mountain <--Antonym--> Ground <--RelatedTo--> Pepper <--Antonym--> Sugar 