Martha vs. Robot

Alice's family gets a robotic pet called Dynamo who can do everything a real dog can do and help you with your math homework. Martha decides to show that she's even more perfect than the perfect pet, so Helen won't replace her with a mechanical mutt. If that fails, can she work with Nelson to get rid of Dynamo? Vocabulary (E) command, function, manual, mechanical, program (I) robot, charge, fetch, alive, button