Mr. Johns and Mr. Brown worked in the same office. One day Mr. Johns said to Mr. Brown, "I'm going to have a small party at my house next Wednesday evening. Would you and your wife like to join us?" Mr. Brown said, "Thank you very much. That is very kind of you. We are free that evening, I think. But I will telephone my wife and ask her. Maybe she wants to go somewhere else that evening." So Mr. Brown went to the other room and telephoned. When he came back, he looked very sorry. " What's the matter?" said Mr. Johns, "Did you speak to your wife?" "No," answered Mr. Brown, "She wasn't there. My small son answered the telephone. I said to him, 'Is your mother there, David?' and he answered, 'No, she is not in the house.' 'Where is she then?' I asked. 'She is somewhere outside.' 'What is she doing?' 'She is looking for me.'" The telephone was   _  .
in the same office in a room next to the office in the post office near Mr. Johns' house