text: Arlene: <photo_file>
  Judy: Your birthday?
  Clara: Cool!! 
  Judith: I'll be there!
  Arlene: Yes :-)
  Clara: Is this at your place?
  Arlene: Yes, the address is in the invitation
  Clara: Cool
  Judith: Do you need us to bring something?
  Arlene: You can bring alcohol
  Arlene: I'll have something but it might not be enough
  Clara: 👍
  Judy: Great! I can't wait :-)
target: Arlene invited Judy, Judith and Clara to her birthday party.