text: Shirley: Hey I'm going to be late for training today
  Shirley: I'm still stuck at Uni :/
  Oliver: Ok
  Oliver: We might start later today anyway
  Oliver: A few others are running late
  Shirley: Ok
  Shirley: Sorry about that..
  Oliver: Don't worry, see you later 
target: Shirley might be late for training. However, the training might start later because other participants are also running late.