Task: Story Composition
Input (English): Premise: Marsha loved swimming in her pool at night. 
 Initial Context: It was very relaxing. 
 Original Ending: One night, Marsha heard a lot of squeaks. Then, she felt something touch her hair! She looked up, and saw it was a bat! 
 Counterfactual Context: She stopped doing it after a stranger scared her.
Output (English): One night before she stopped doing it, Marsha heard a lot of squeaks. Then, she felt something touch her hair! She looked up, and saw it was a bat!