"Depends on if he answers," the machine responded fairly reasonably.
Then he stepped the control up and the little machine responded perfectly, rising above the snow.
She tried the Bennetts' home number, but only the answering machine responded.
"To the left at the next corridor," the machine responded grudgingly.
The machine responds, first with oxygen, then by opening the door.
The machine responded to her search request as if nothing had ever happened between them.
The machines do not respond quickly to sound, but it will attract them if you keep on shooting!
The machines respond to commands given by people in S-space.
They called the girl's home but the answering machine had responded.
With videodisc the machine can respond to your answer by showing an appropriate picture.
