I always ended up down by the river, looking at the only other free robots in the city, the derelicts.
Donald is the only robot here who knows about it.
I am the only free robot, the only one of my type, and there will never be another.
"You're probably the only robot ever to be in a human's pocket during a baptism."
Fredda looked to the front row, to the only robot in the audience.
In a twist of fate, Adam finds that he is not the only robot on board.
It is the only robot used in this effort that did not require any major repair.
Men can't live on this planet with only robots to help them.
If the only robots that exist are primitive, there is no problem.
This is not the only robot working around dairy cows.