His chair moved forward as well, bringing him within reach.
For every question they answer correctly, their chair moves along to the next tank.
He tries a sofa or easy chair, moves to another.
Then the chair moved, and he felt more than heard Kevil come up behind him.
She had been surprised that the chair could move so swiftly and quietly.
One chair moved slightly; then the position of the other was disturbed.
The chair moved a few feet, then a few more.
The chair moved for a couple of seconds, and then kept moving.
But, as the chair moved, the figure's face came into view.
The door opened and the chair moved the patient out to the waiting nurse.