What do you think will happen when Disney's CMs are vaccinated, and if studies show that people who are vaccinated are protected against both getting sick and transmitting the virus? I know it's speculative, but I'm wondering what people would consider reasonable under those circumstances. We're nowhere near that point now, but at some point I assume most of the people going to Disney will have been vaccinated. What would be the rationale at that point for keeping masks? Maybe it's just too soon for a reliable answer.