answer: #Person1# prefers a single-breasted suit, and #Person2# recommends one.
documents: #Person1#: I want to buy a black suit. 
  #Person2#: Certainty. Do you want double breasted suit or single breasted suit? 
  #Person1#: I prefer single breasted suit. 
  #Person2#: What about this one? It's a very nice 3-piece suit. 
  #Person1#: That looks great. Do you have ties here?