Task: Story Composition
Input (English): Premise: John was riding a rollercoaster. 
 Initial Context: He was very scared but decided to give it a try. 
 Original Ending: Suddenly, the car became stuck on the track. He was terrified, and began to panic. Luckily, the ride was fixed quickly. 
 Counterfactual Context: He finished the ride and had cotton candy.
Output (English): On the next ride, the car became stuck on the track. He was terrified, and began to panic. Luckily, the ride was fixed quickly.