Task: Story Composition
Input (English): Premise: Amber planned a Halloween party. 
 Initial Context: She created a Facebook event and invited all of her friends. 
 Original Ending: She spent days shopping, setting up, and preparing When the night came, many guests showed up Every had a wonderful time in their costumes 
 Counterfactual Context: It rained the night of her party.
Output (English): She spent days shopping, setting up, and preparing for the rescheduled event. When the night came, many guests showed up. Every had a wonderful time in their costumes.