Task: Story Composition
Input (English): Premise: Frank was on a family trip. 
 Initial Context: They were supposed to arrive at their family's house by dinner. 
 Original Ending: On the highway they hit a huge amount of traffic. It was taking so long. By the time they got out, they were set back hours in their drive. 
 Counterfactual Context: They arrived at the airport after dinner.
Output (English): There was a delay in their flight. It was taking so long. By the time they got on the plane, they were set back hours in their travel plans.