answer: #Person2# lets #Person1# fill the car up and check the tires.
documents: #Person1#: What'll it be today, sir?
  #Person2#: Fill it up. Super Unleaded.
  #Person1#: Shall we check your oil and tires?
  #Person2#: I just checked the oil myself, but you can check the tires.
  #Person1#: ( The attendants fill the tank, clean the windscreen, and add some air to the tires. ) All right, sir, that'll be $ 26. 50.
  #Person2#: I'll charge it. Here's my card.