Provoke is a type of Challenge. Provoke is a type of Cause. 
Member is related to Group. Group is related to Audience. Show can be used for Audience. you are likely to find Seat in/at/on Show. 
Challenge <--IsA-- Provoke --IsA--> Cause 
Member <--RelatedTo--> Group <--RelatedTo--> Audience <--UsedFor-- Show <--AtLocation-- Seat 