Task: Story Composition
Input (English): Premise: Lily wanted a new Halloween costume. 
 Initial Context: She didn't want to get one at the store. 
 Original Ending: Therefore she decided to make one herself. She got everything together. She ended up making a rabbit costume. 
 Counterfactual Context: She found a perfect one online and bought it.
Output (English): She decided to dress herself. She got everything together. She ended up wearing a rabbit costume.