Have you ever been in an awkward position where you don't know if you should say something or just laugh?

I was in the elevator yesterday, on hte way up to work from the parking garage.  Two guys in suits get on too.  Our elevators are all mirrors-  so even though I'm right up next to the elevator doors, I can still see them.  All of a sudden, I hear someone let it go. One of those two professional guys FARTED in the elevator!!  It was sooo hard not to laugh...  but as I look at them both in the mirror in front of me-  they both are looking at the ceiling as if to say "please don't ask if it was me!"   haha

I got off the elevator before I caught a whiff of anything nasty...  but I giggled once the coast was clear!