The drunk man in the gray shirt is attempting to drill into a keg of beer , while another keg awaits .
There is a very good chance that a drunk man has fallen asleep on top of the kegs .
It is impossible that a drunk man has fallen asleep on top of the kegs .
There is a very good chance that a drunk man has fallen asleep on top of the kegs .
A drunk man has fallen asleep on top of the kegs .