answer: #Person1# buys a large pretty dress for daughter and #Person2# says children grow fast.
documents: #Person1#: Oh, what a pretty dress! My daughter would love it. But it seems a bit too large. Do you have a smaller size?
  #Person2#: Sorry, this is the only one left. But don't worry. Children grow fast.
  #Person1#: Yes, that's true. I'll take it.