A guy with lots of tattoos and a black shirt with white lettering spelling `` stheart '' putting on a rock concert .
It is highly likely that a guy with lots of tattoos and a black shirt are rock musicians .
It is highly likely that a guy with lots of tattoos and a black shirt are rock musicians .
It is probably not the case that a guy with lots of tattoos and a black shirt are rock musicians .
A guy with lots of tattoos and a black shirt are rock musicians .