Two bald men , one sitting at a computer and the other behind him , in front of red window curtains .
It is highly likely that a bald man sits at the computer while his bald friend stands behind him .
It is highly likely that a bald man sits at the computer while his bald friend stands behind him .
We doubt that a bald man sits at the computer while his bald friend stands behind him .
A bald man sits at the computer while his bald friend stands behind him .