A man is climbing on a metal support in the bleachers of a large arena , at a crowded sporting event .
It is impossible that a person in the large arena is climbing on a support beam amongst the many thousands of people .
It is probably the case that a person in the large arena is climbing on a support beam amongst the many thousands of people .
It is impossible that a person in the large arena is climbing on a support beam amongst the many thousands of people .
A person in the large arena is climbing on a support beam amongst the many thousands of people .