answer: #Person1# and #Person2# are surprised that Susan married a postman.
documents: #Person1#: Can you believe that Susan got married? 
  #Person2#: Really? I remember she said if she would remain single. Is the man very rich? 
  #Person1#: No. That's what is surprising me. 
  #Person2#: You means she didn't marry a rich man. 
  #Person1#: He's a postman. 
  #Person2#: I thought she would marry a fortune.