“And then we must go,” said the robot, in all seriousness, “to a party.” “Oh,” said Zaphod, startled, “can I come?” “No,” said the robot, “we are going to shoot you.” “Oh, yeah?” said Zaphod, waggling his gun. “Yes,” said the robot, and they shot him. Zaphod was so surprised that they had to shoot him again before he fell down.