Box is related to Empty. Empty is related to Sugar. you are likely to find Sugar in/at/on Bag. 
Housing is related to Camp. Camp is related to Summer. Summer is related to Salad. 
Box <--RelatedTo--> Empty <--RelatedTo--> Sugar --AtLocation--> Bag 
Housing <--RelatedTo--> Camp <--RelatedTo--> Summer <--RelatedTo--> Salad 