you are likely to find Carpet in/at/on Restaurant. you are likely to find Carpet in/at/on Church. Church can be used for Serve. 
Confusion is a synonym of Mess. Mess is the opposite of Organize. Organize is related to Sort. 
Restaurant <--AtLocation-- Carpet --AtLocation--> Church --UsedFor--> Serve 
Confusion <--Synonym--> Mess <--Antonym--> Organize <--RelatedTo--> Sort 