Shed is a synonym of Cast. Cast is a type of Solid. Solid is related to Desk. 
you are likely to find Potato in/at/on Soil. Potato is the opposite of Rice. Rice is related to Long. 
Shed <--Synonym--> Cast --IsA--> Solid <--RelatedTo--> Desk 
Soil <--AtLocation-- Potato <--Antonym--> Rice <--RelatedTo--> Long 