answer: #Person2# lends a book to #Person1# and thinks reading this difficult book demands a dictionary.
documents: #Person1#: Thank you for lending me the book. 
  #Person2#: Sure. But it's a very difficult one, you need to have a dictionary at your elbow. 
  #Person1#: But I'm not used to looking up every new word when I'm reading a novel. I only look up the most necessary ones.