answer: #Person1# and #Person2# talk about the staple food of different places.
documents: #Person1#: Is it true that rice is the staple food in most of Southeast Asia? 
  #Person2#: I'm not an expert, but that's the impression I have. 
  #Person1#: Is rice your staple food, too? 
  #Person2#: Needless to say, as a Westerner, it's bread.