Task: Story Composition
Input (English): Premise: John has a tripped planned to another city. 
 Initial Context: John wakes up late and rushes to the airport. 
 Original Ending: He gets through security rather quickly. He dashes for the gate but it's too late. The plane took off just minutes before and John is so disappointed. 
 Counterfactual Context: John was going to drive to avoid the rush to the airport.
Output (English): He gets to the airport and through security rather quickly. He strolls to the gate and is very early. John relaxes for an hour before it is time to board his plane.