Chest is related to Rib. Rib is related to Sauce. Sauce is related to Food. 
Fly is related to Household. Household is related to Rabbit. Rabbit is related to Red. 
Chest <--RelatedTo--> Rib <--RelatedTo--> Sauce <--RelatedTo--> Food 
Fly <--RelatedTo--> Household <--RelatedTo--> Rabbit <--RelatedTo--> Red 