A. Nervous laughter

B. Peer pressure laughter

C. Emergent leader’s joke laughter

D. Something else

Ni,

I would not care for the laughees in this case, but then, I would not be in a bar where salubricating beverages are served.

Maybe at a contradance, but so many diverse people attended those dances back before Covid Times, that a flower seller might have a few customers and a bathroom to wiz in.