Junior is the opposite of Senior. Senior is related to Old. Old is related to Advanced. 
Tournament is a type of Contest. Contest is a synonym of Action. Action is related to Wear. Wear is related to Cotton. 
Junior <--Antonym--> Senior <--RelatedTo--> Old <--RelatedTo--> Advanced 
Tournament --IsA--> Contest <--Synonym--> Action <--RelatedTo--> Wear <--RelatedTo--> Cotton 