answer: Jack and Mary will visit the Smiths at 4:15. They will meet in front of the bookstore opposite the cinema.
documents: #Person1#: I'd like to pay a visit to the Smiths at 3:30 p.m. Will you go with me, Mary?
  #Person2#: I'd love to, but I won't be off work from my factory until 4:00 p.m. How about 4:15? I'll be free then, Jack.
  #Person1#: OK. Let's meet at the bus stop and take the No.5 bus to go there.
  #Person2#: Why not by bike? The bus would be crowded at that time.
  #Person1#: But my bike is broken.
  #Person2#: You can use your sister's new bike, can't you?
  #Person1#: Yes. I'll wait for you in front of the bookstore opposite the cinema.