answer: #Person1# recommends Tsingtao beer to #Person2# and #Person2# orders two tins.
documents: #Person1#: May I recommend you Tsingtao beer?
  #Person2#: Tsingtao beer?
  #Person1#: Yes, sir. It's one of the best beers in China.
  #Person2#: Really?
  #Person1#: Yes. The beer is brewed by using carefully selected malts, rice, hops and natural water from the Lao Mountain.
  #Person2#: How about its taste?
  #Person1#: Fine, sir.
  #Person2#: That sounds great. Two Tsingtao beers, please.
  #Person1#: Tin or bottle?
  #Person2#: Tin, please.
  #Person1#: Would you like it on the rocks, sir?
  #Person2#: No, thank you.
  #Person1#: You're welcome.