answer: #Person2# gives #Person1# a surprise and asks #Person1# to guess.
documents: #Person1#: What's that?
  #Person2#: It's a surprise!
  #Person1#: For me?
  #Person2#: Yes. Let's go inside and you can open it up.
  #Person1#: Wow! It's big! What could it be?
  #Person2#: I'll give you two clues. First, it cost more than $ 250. And second, it's not big, but fat.
  #Person1#: What does that mean, not big but fat? You didn't buy. . .