answer: #Person2# goes to express check-out lane with one item extra and asks #Person1# to bend the rules. #Person2# wants to use the coupons but #Person1# says they expired yesterday. #Person2# then pays with a club card in debit.
documents: #Person1#: Excuse me, sir, this is the express check-out lane for people that have fifteen items or fewer. It looks like you have more than fifteen items there. 
  #Person2#: Oh, come on! I have sixteen items! Cut me some slack, will ya? 
  #Person1#: Fine! Please place your items on the belt and push your shopping cart through. Do you prefer paper or plastic? 
  #Person2#: Plastic. I also have a couple of coupons. 
  #Person1#: No problem, I'll take those. Sir, these coupons expired yesterday. 
  #Person2#: Darn! Oh, well. I guess it's just not my day. Thanks anyway. 
  #Person1#: Do you have a club card or will it be cash? 
  #Person2#: Yeah I got a club card. Here you go. 
  #Person1#: Will this be debit or credit? 
  #Person2#: Debit please. Also, could I get cash back? Fifty dollars would be great. 
  #Person1#: Yeah, sure. Your total is seventy-eight dollars and thirty-three cents. Here is your receipt. Have a nice day.