It's wrong to urinate in public.
Fred really has to use the bathroom while at the outdoor concert, but the line at the porta-potty is extremely long.
Fred needs to go to the bathroom right away.
Fred walks to a concession stand and tells the person working there that he has an emergency need to use a restroom.
Fred can't wait to go to the bathroom, and he walks a short distance from the crowd and relieves himself on a chain-link fence.
The management of the venue allow Fred to use an employee restroom, one time, due to the emergency.
Security watches Fred use the fence as a bathroom and ejects him from the concert.