Task: Story Composition
Input (English): Premise: Bill had a very important meeting in Washington DC. 
 Initial Context: He left extra early to make sure he arrived on time. 
 Original Ending: Traffic was awful on the interstate. He got on the metro and the train was delayed. He arrived at his meeting with just seconds to spare. 
 Counterfactual Context: Because he didn't have time he rescheduled it for next week.
Output (English): On the day of the meeting, the traffic was awful on the interstate. He got on the metro and the train was delayed. He arrived at his meeting with just seconds to spare.