Task: Story Composition
Input (English): Premise: Sam and his family went on a trip. 
 Initial Context: Sam was nervous. 
 Original Ending: He never slept in another bed before. When his family got to the hotel, everything was so cozy. Sam got the best sleep he ever had! 
 Counterfactual Context: Their flight was delayed for five hours.
Output (English): He never got to sleep that night because the plane was so delayed and because he has trouble sleeping on flights. When his family got to the hotel, everything was so cozy. Sam got the best sleep he'd ever had.