answer: #Person1# invites Mary to the house. Mary wants to tell her host mum first.
documents: #Person1#: Mary, why don't you come to my house this Saturday?
  #Person2#: I don't know. I'll have to ask my host mom.
  #Person1#: Come on, Mary. This is America. You make your own decisions here.
  #Person2#: But I still have to tell her.
  #Person1#: Of course.
  #Person2#: Tell you what, give me your phone number.
  #Person1#: It's 555-4321.
  #Person2#: Got it. I'll call you later tonight and we can talk about what to do on Saturday.