text: Laura: u r home?
  Donald: no, uni
  Laura: when r u coming home?
  Donald: 5-ish
  Laura: dhl at 5, can u take it?
  Donald: if i'm home
  Laura: so try to be there!
  Donald: okey, but it depends on traffic
  Laura: ok, ok
  Donald: u bought bread>
  Laura: no
  Donald: i asked u twice...
  Laura: sorry, forgot
  Laura: i can buy in on my way home in the evening
  Donald: forget it, i'll get some
target: Donald is at the university. He'll be home around 5. The courier will arrive at 5. Donald asked Laura to buy bread. She didn't do it. Donald will do it. 