Task: Story Composition
Input (English): Premise: I had a big chemistry test coming up. 
 Initial Context: I studied night and day for a week. 
 Original Ending: The day of the test arrived my nerves were on edge. Luckily I sat next to the smartest person in class. So I used his answers to make a good grade after my mind went blank. 
 Counterfactual Context: I was very confident that I knew the answers and would perform well.
Output (English): The day of the test arrived and I was sure I'd do well. I also sat next to the smartest person in class. To be sure, I used his answers to double check mine.