answer: The item #Person2# bought is broken. Mike suggests returning it and #Person1# agrees with that.
documents: #Person1#: What's wrong with it? 
  #Person2#: It's broken . I just bought it yesterday, you know, it costs me $556. 
  #Person1#: It sounds too bad. What will you do? 
  #Person2#: Mike suggests me to return it. 
  #Person1#: That's what I want to say.