answer: #Person2# takes out shorter trousers for #Person1# and tells #Person1# they are shrink-proof. #Person1#'s satisfied and will buy them.
documents: #Person1#: Do you have the same in different sizes? The trousers are too long for me.
  #Person2#: Let me see. Yes, here you are.
  #Person1#: Will the trousers shrink when washed?
  #Person2#: No, they won't. They are shrink proof.
  #Person1#: That's good. I will take it.