Size is related to Term. Term is related to Average. Average is the opposite of Brilliant. 
Beef is a type of Cattle. Cattle is related to Farm. Farm is related to Domestic. Domestic is related to Cow. 
Size <--RelatedTo--> Term <--RelatedTo--> Average <--Antonym--> Brilliant 
Beef --IsA--> Cattle <--RelatedTo--> Farm <--RelatedTo--> Domestic <--RelatedTo--> Cow 