you are likely to find Market in/at/on Village. Market is related to Exchange. Exchange is related to Return. 
Basic is related to Cell. Cell is related to Life. Life can be Energy. Milk have Energy. 
Village <--AtLocation-- Market <--RelatedTo--> Exchange <--RelatedTo--> Return 
Basic <--RelatedTo--> Cell <--RelatedTo--> Life --HasProperty--> Energy <--HasA-- Milk 