dialogue: #Person1#: Brian, do you know how to speak English? 
  #Person2#: Yes. 
  #Person1#: Where did you learn? 
  #Person2#: I learned in college. 
  #Person1#: You speak really well. 
  #Person2#: Thank you. 
  #Person1#: How long have you been in the U. S. ? 
  #Person2#: 3 weeks. 
  #Person1#: Is your wife with you? 
  #Person2#: Yes, she just got here yesterday. 
  #Person1#: Have you been to California before? 
  #Person2#: No. I've never been there. 
  #Person1#: Have you ever been to Las Vegas? 
  #Person2#: Yes. I went there once on a business trip. 
summary: #Person1# is asking Brian about his life in the U.S.
topic: life in America