answer: #Person1# wants to buy some batteries but mistakes which brand is on sale. #Person2# tells #Person1# the correct one.
documents: #Person1#: I'm glad these batteries are on sale.
  #Person2#: I'm sorry. These batteries are not on sale.
  #Person1#: But that's what the ad said.
  #Person2#: I'm sorry. If you look at the ad again, you'll see that the other brand is on sale.
  #Person1#: Oh. You're right. I misread the ad.
  #Person2#: Yes, many people make that mistake.
  #Person1#: Well, you can't blame them. It's a confusing ad.
  #Person2#: You're right. Many ads are like that.
  #Person1#: Well, as long as I'm here.
  #Person2#: Just one second, and I'll give you the batteries that are on sale.