What Is the Major Sweet Spot in Event Sponsorship for Advertising

What is the major sweet spot in event sponsorship for advertising and IBP? 

A)  When the consumers attend events that are sponsored by a brand due to their brand loyalty 
B)  When significant overlap is achieved between an event's participants and the marketer's target audience 
C)  When the affiliate marketing contracts are signed for one year or more, to encourage sponsor spillover 
D)  When event sponsorship happens every other year, in order to keep the consumers in demand and anticipating the sponsorship to come back