answer: #Person1# is bargaining with #Person2# for a bag.
documents: #Person1#: Excuse me, what do you want for this bag? 
  #Person2#: Let me see. That one goes for $17. 
  #Person1#: Would you take $12? 
  #Person2#: No, I can't give it to you, let you have it for 12. How about 14? 
  #Person1#: 13. 50? 
  #Person2#: Sorry, $14 is the lowest I can go.