Comment is related to Remark. Remark is related to Answer. Answer is the opposite of Wrong. 
Van is related to Small. Small is related to Coin. Coin is related to Unit. 
Comment <--RelatedTo--> Remark <--RelatedTo--> Answer <--Antonym--> Wrong 
Van <--RelatedTo--> Small <--RelatedTo--> Coin <--RelatedTo--> Unit 