Yes, I have attended a personal event and I felt is was a success.
Yes, I have attended a personal event but it didn't work very well.
No, I have not yet, but I plan to attend one over the holiday season.
No, I have not yet, but I like the idea and might try to plan one.
No, I have not yet, but would participate if the opportunity arose.
No, the idea does not appeal to me.
Other, please explain in a post.