Task: Story Composition
Input (English): Premise: My cat went missing the other night! 
 Initial Context: I tried to find her for days. 
 Original Ending: About a week later, she came back. But to my surprise, she was pregnant! Now, I have to find a place for the kittens. 
 Counterfactual Context: I searched and found her on the next day.
Output (English): About a week later, she came back. But to my surprise, she was pregnant! Now, I have to find a place for the kittens.