Luke was glaring his extreme distaste at a target which could only lave been the robot waiter.

How long ago did they invent robot waiters?

A robot waiter went past, tall glasses balanced on the tray.

He had reddish hair and a moustache almost like that of the robot waiter.

Meanwhile the robot waiters of several ages glided through each other, sharing space in aisles and kitchen.

If you must know, something happened to me once in connection with robot waiters.

You kept bugging me about why I hated robot waiters.

Before she could ask another question, the robot waiter rolled up to their table.

A group of robot customers sit round the table, attended by robot waiters.

Excusing himself, he hunted up the robot waiter, and asked that a vidphone be brought to his table.