Soup is related to Sandwich. Bread is part of Sandwich. you are likely to find Bread in/at/on Market. you are likely to find Meat in/at/on Market. 
you are likely to find Needle in/at/on Hospital. you are likely to find Blanket in/at/on Hospital. 
Soup <--RelatedTo--> Sandwich <--PartOf-- Bread --AtLocation--> Market <--AtLocation-- Meat 
Needle --AtLocation--> Hospital <--AtLocation-- Blanket 