Mum gives little Jerry twenty yuan. Then little Jerry goes shopping. He gets on a bus and sits down next to an old woman. Then he sees the old woman's bag is open. There is twenty yuan in it. He quickly looks into his pocket. The money isn't there now! Little Jerry is sure that the old woman is a thief . He wants to take back the money from the old woman's bag. He carefully puts his hands into the old woman's bag, takes the money and says nothing. Then, the old woman shouts, "Where is my money? I can't find it. There is a thief on the bus." Little Jerry feels strange . Then he sees twenty yuan under his seat. Little Jerry is thinking a question now, "Am I a thief?" Little Jerry is sure that the old woman is a   _  .
thief teacher rich woman poor woman