dialogue: #Person1#: Mom, I've got something to tell you. 
  #Person2#: So, please! 
  #Person1#: Aunt Jane buys a new bike for Tom. He is putting on grand airs. 
  #Person2#: I bought you a new one last year. Isn't it handsome? 
  #Person1#: It is great. But Tom's bike is so much better than mine. 
  #Person2#: Frankly, he is more well-behaved than you. 
  #Person1#: Nothing of that sort! 
  #Person2#: Why hasn't the bus come yet? Every morning we have to wait for so long. 
  #Person1#: Mom, it's OK. I will buy a big car one day. It is faster than the bus. 
  #Person2#: Really? I am looking forward to that. What about the traffic? 
  #Person1#: Let me see. Yes. I will buy a plane for you. There is no traffic up there. 
summary: #Person1# wants a new bike from #Person2#, but she refuses. #Person1# promises to buy a plane for #Person2#.
topic: buy bikes