text: Reggie: Need to redecorate my room.
  Kris: Need help with that?
  Reggie: Sure, if u've got time.
  Kris: Saturday?
  Reggie: Fine by me :) 
  Kris: CU then!
  Reggie: W8! Can u help me pick out a colour?
  Kris: What colour were u thinking about?
  Reggie: Green.
  Kris: <file_photo> <file_photo> <file_photo> Any of these?
  Reggie: The last one! I'll take the last one. 
  Kris: All right. I'll order it online.
target: Kris will help Reggie decorate his room on Saturday. He chooses the last photo as the best colour.