answer: #Person1# and #Person2# think people should take actions to protect the environment.
documents: #Person1#: Have you ever noticed that serious pollution in modern cities goes from bad to worse?
  #Person2#: You said it. We'er breathing poisonous air every day.
  #Person1#: I think it's time for the government to take strong action. And people should try to protect environment.
  #Person2#: I absolutely agree with you.