Seven was the only prisoner they were guarding right now.
He was the only prisoner who had told a credible story.
The only other interesting prisoner is a white soldier, a regular.
And it would appear that she was the only prisoner here.
"At this very precise moment, let's say, the only political prisoner in England is me."
Why do you think we were the only prisoners?
We don't want to give the impression that the only prisoners down there are black.
I figured the only prisoner you really had anything on was me.
Ellis Cooper was the only prisoner on death watch at that time.
With Larry as their only prisoner, the police went down to the street.