premise: Sean and Sara were travelling to see a concert.
initial: They had to take the train to Portland.
counterfactual: They got in a car crash on the way and never made it to the venue.
original_ending: Once they got there, they checked into a hotel. They walked to the concert venue. Sadly, the concert was canceled due to sickness.
edited_ending: Once they got into the accident, they were sent into  the hospital.They never see the concert venue.Luckily, the concert was canceled due to sickness.<SEP>They never checked into a hotel.They never walked to the concert venue.Sadly, the concert was anyway canceled due to sickness.<SEP>Once they got out, they checked into a hospital.They didn't get to the concert venue.The concert was canceled due to sickness.