answer: #Person1# wants to buy a tablet and asks #Person2# for a 10% discount. #Person2# can only offer a 5% discount. #Person1# takes it.
documents: #Person1#: Excuse me. How much is this tablet? Is it on sale?
  #Person2#: Yes, it's on sale for only US $200.
  #Person1#: Is it good?
  #Person2#: Sure. It has a hard disk storage capacity of 128 gigabytes with up to 12 hours of battery life. You can enjoy millions of movies, TV shows, songs, apps and games on it.
  #Person1#: Could you give me a 10% discount?
  #Person2#: Sorry, the price is already low. So I can only offer a 5% discount.
  #Person1#: It looks good, but it's not a well known brand.
  #Person2#: You're right, but it's of good quality.
  #Person1#: OK, I'll take it.