A balding dark-haired man in a brown trench coat is chipping away at a stone block , surrounded by carved statues .
It is probably not the case that a bald man with a trench coat is chipping away at stone .
It is certain that a bald man with a trench coat is chipping away at stone .
It is probably not the case that a bald man with a trench coat is chipping away at stone .
A bald man with a trench coat is chipping away at stone .