There is a line of computers in a row and each one is occupied by a man .
a man on a computer filling out a job application
There is a line of computers in a row and each one is occupied by a man.
a man on a computer filling out a job application
There are people typing on a computer but we don't know if they are filling out job applications or not.
There are people typing on a computer but we do n't know if they are filling out job applications or not .