A: It's 42. Duh. (Don't @ us.)
A: Because the janitorial union is on strike. Again.
A: Only if it's in a lab coat. Otherwise, it's a security risk.
A: It's free. That's all that matters.
A: You don't. It's on the other side of the door.
A: You're not good enough. Try your luck at rock-paper-scissors.