A gray and black-haired male is holding his glasses in one hand while looking at something in the other hand ; surrounded by numerous amounts of machines .
There is a better than even chance that an older man has taken off his glasses while observing equipment .
There is a better than even chance that an older man has taken off his glasses while observing equipment .
It is impossible that an older man has taken off his glasses while observing equipment .
An older man has taken off his glasses while observing equipment .