Task: Story Composition
Input (English): Premise: Lisa's mom waited in the car while she ran into the donut store. 
 Initial Context: Her mother had told her to get a dozen assorted donuts. 
 Original Ending: Lisa made sure to get flavors everyone in the family would like. She picked twelve but the worker told her she would get one more. They sold baker's dozens, which were 13 for the price of 12. 
 Counterfactual Context: Her mother had told her she was only allowed to buy one donut.
Output (English): Lisa made sure to get her favorite flavor. She picked one, but the worker told her she would get one more free. They were doing a special promotion that day.