Main is related to Body. Body is related to Swim. 
Chicken is related to Stuff. Stuff is related to Owner. Owner is related to Small. Small is the opposite of Adult. 
Main <--RelatedTo--> Body <--RelatedTo--> Swim 
Chicken <--RelatedTo--> Stuff <--RelatedTo--> Owner <--RelatedTo--> Small <--Antonym--> Adult 