answer: #Person1# and #Person2# are arguing on who treats this time.
documents: #Person1#: Here! Here! Use my card!
  #Person2#: No, you don't! I should treat my new brother-in-law!
  #Person1#: Not on your life! I'm the best man, so I pay!
  #Person2#: OK, OK. On one condition.
  #Person1#: What's that?
  #Person2#: You come back here with me tomorrow, and it's my treat!
  #Person1#: You've got it! But are we coming back for the music, or for the fruit?