Carbohydrate is similar to Protein. Protein is related to Fish. 
you are likely to find Rack in/at/on Oven. Oven is related to Chamber. Chamber is a type of Assembly. Chapter is a type of Assembly. 
Carbohydrate <--SimilarTo--> Protein <--RelatedTo--> Fish 
Rack --AtLocation--> Oven <--RelatedTo--> Chamber --IsA--> Assembly <--IsA-- Chapter 