Classicly

Ira pressed his advantage. "Model I robots come in both masculine and feminine designs, built to your individual specifications as to size, coloring, strength, personality traits, apparent age, and so forth. For example, lonely people can have companionship built in, if they like. You can have an Ira or Inez possessing an almost human intelligence and free choice, or you can get one that is blindly servile and which will never volunteer advice or information. You can get an elderly, refined butler or a handsome young man-around-the-house. You can get a pretty, petite parlor maid or a buxom cook."