you are likely to find Can in/at/on Shelf. Can is made of Aluminum. Aluminum is related to Metal. 
Part is related to Foot. you are likely to find Boot in/at/on Foot. Boot is a synonym of Kick. 
Shelf <--AtLocation-- Can --MadeOf--> Aluminum <--RelatedTo--> Metal 
Part <--RelatedTo--> Foot <--AtLocation-- Boot <--Synonym--> Kick 