Task: Story Composition
Input (English): Premise: Lonny's favorite animal was the lion. 
 Initial Context: Her family took her on a vacation to Las Vegas. 
 Original Ending: In Las Vegas, they took Lonny to see the MGM lion statue. Then they took her to see the lions kept inside. Lonny bought a bunch of gift shop trinkets of the lion statue. 
 Counterfactual Context: Lonny went to the zoo on his vacation.
Output (English): In Las Vegas, they took Lonny to see the MGM lion statue. Then they took her to see the lions kept inside. Lonny no longer likes lions.