Circuit is a type of Group. Group is related to Act. 
Small is the opposite of Large. Large is a different concept from Average. Average is related to Ordinary. Ordinary is the opposite of Spectacular. 
Circuit --IsA--> Group <--RelatedTo--> Act 
Small <--Antonym--> Large <--DistinctFrom--> Average <--RelatedTo--> Ordinary <--Antonym--> Spectacular 