answer: #Person2# thinks smoking is harmful and discusses ways to stop smoking with #Person1#.
documents: #Person1#: What do you think of smoking? 
  #Person2#: It's harmful not only for yourself but for others. 
  #Person1#: What in your opinion can be done to stop smoking? 
  #Person2#: Stop producing cigarettes. 
  #Person1#: But that'll affect the national economy. 
  #Person2#: That's right. But I don't think there are better ways. 
  #Person1#: How about painting a warning on each cigarette packet? 
  #Person2#: Maybe it can take effect.