A guy with lots of tattoos and a black shirt with white lettering spelling `` stheart '' putting on a rock concert .
It is almost certain that a tattoeed man is wearing a black shirt advertising his band .
Chances are about even that a tattoeed man is wearing a black shirt advertising his band .
It is almost certain that a tattoeed man is wearing a black shirt advertising his band .
A tattoeed man is wearing a black shirt advertising his band .