Measure is related to Watch. 
Soup is related to Onion. Onion is related to Apple. you are likely to find Apple in/at/on Refrigerator. you are likely to find Milk in/at/on Refrigerator. 
Measure <--RelatedTo--> Watch 
Soup <--RelatedTo--> Onion <--RelatedTo--> Apple --AtLocation--> Refrigerator <--AtLocation-- Milk 