A dark-haired man in a striped shirt records a video of a gray-haired man using a MacBook laptop .
It is almost certain that there is a dark-haired man recording a gray-haired man .
It is almost certain that there is a dark-haired man recording a gray-haired man .
Chances are about even that there is a dark-haired man recording a gray-haired man .
There is a dark-haired man recording a gray-haired man .