Arena can be used for Compete. you are likely to find Audience in/at/on Arena. Audience is related to Play. 
Survivor is a type of Book. Book is a type of Copy. Copy is a type of Material. 
Compete <--UsedFor-- Arena <--AtLocation-- Audience <--RelatedTo--> Play 
Survivor --IsA--> Book --IsA--> Copy --IsA--> Material 