Mrs . Black lives in a small village. Her husband is dead. Her son, Jack, lived with her. He worked in a shop in the village, but then he found a job in town named Greensea. He went to live there. Mrs . Black was very angry. She got on a train and went to see her son. Then she said to him, " Jack, why do you never telephone me? " Jack laughed, "But, mother, you haven't got a telephone. ""No. "she answered, "I haven't, but you have got one. "