Okay, I was looking for the "joker" icon to stick to this thread, but there isn't one so I used the comedy/tragedy masks instead.
Okay, so what would YOU do if this happened to you?
You are working the admissions office of a psychiatric hospital/chemical treatment center, which happens to be located in a large college town. It is three o'clock in the MORNING. In walks three young men, early 20's. One of them says "I need to be admitted for rehab, I'm a huge alcoholic.". You're like "Okay, have a seat in this office and we'll talk about this, see if we need to admit you", or whatever. One of the young men then says "Ma'am, he doesn't really need to be admitted, he's not an alcoholic, we are just fraternity pledges and this is part of a scavenger hunt. One of the things we had to do was get 'admitted for rehab'"
So what do you do? Do you sort of play along, especially if you're bored and there is no one else waiting to be admitted? Take his picture, stick it to a form with the hospital logo on it, stamp "admitted" on it or whatever, and then send these fun loving young men on their way?
Or do you immediately tell these fools to get the f out of the building, this isn't a place for joking around?