answer: #Person1# bought a dozen of apples and two kilograms of tangerines from #Person2#.
documents: #Person1#: Have you got some nice apples in stock today? 
  #Person2#: What about these? They are very fresh and exceptionally juicy. 
  #Person1#: Are they sweet? 
  #Person2#: Very sweet. 
  #Person1#: How much are they? 
  #Person2#: These are a dollar each and those are 75 cents each. 
  #Person1#: All right, I'll have a dozen of the dollar ones. 
  #Person2#: OK. Anything else? 
  #Person1#: Do you have any tangerines? I'd like to have two kilograms. 
  #Person2#: Yes, we've just had some wonderful tangerines in from Tailand. Here they are. 
  #Person1#: How much is it in all? 
  #Person2#: Thirty dollars.