answer: #Person1# can make an international phone call by the payphone with phone cards.
documents: #Person1#: Excuse me. Do you know where I can find a pay phone?
  #Person2#: There is one around the corner.
  #Person1#: Can I make an international call from that pay phone?
  #Person2#: Yes, but you have to get a phone card first.
  #Person1#: Where can I get a phone card?
  #Person2#: You can get one in the grocery store over there.
  #Person1#: Oh, I see it. Thank you.