Bag is related to Brown. Brown is related to Board. Board is related to Food. 
Stone is related to Natural. Natural is related to Moon. Moon is related to Cheese. Cheese is a type of Mixture. 
Bag <--RelatedTo--> Brown <--RelatedTo--> Board <--RelatedTo--> Food 
Stone <--RelatedTo--> Natural <--RelatedTo--> Moon <--RelatedTo--> Cheese --IsA--> Mixture 