A: Two. One to change it and another one to change it back again.
Seven. One to change it, two to take pictures, and four to make t-shirts for the event.
Well, not all of them.
None. TSA agents only know how to remove clothes putting them on is different matter completely.
When you arrive at the international airport you are American. There is a room that changes your nationality. When you enter this room you are Russian, when you leave this room you are Finnish, and while inside European. What room is it?
His lips are moving
The lips are moving