text: Mathew: What is the estimated arrival time?
  Joseph: 8:30
  Claire: Why?
  Mathew: I think the plane might be late.
  Mathew: I just checked at the airport website.
  Joseph: So we don't have to hurry up.
  Mathew: But we still don't know how big the delay is...
target: Mathew, Joseph and Claire are going to the airport. The estimated arrival time of the plane is 8:30, but it might be late. 