you are likely to find Hat in/at/on Home. Home is related to Stable. Stable is the opposite of Mobile. 
you are likely to find Soap in/at/on Supermarket. you are likely to find Air in/at/on Supermarket. 
Hat --AtLocation--> Home <--RelatedTo--> Stable <--Antonym--> Mobile 
Soap --AtLocation--> Supermarket <--AtLocation-- Air 