Task: Story Composition
Input (English): Premise: Mary worked hard as a waitress at a diner. 
 Initial Context: She could barely make ends meet, much less afford holiday gifts. 
 Original Ending: It made her sad that she wouldn't be able to get her parents anything. A few days before Christmas, a customer left her $100 tip. She was able to get something for her parents afterall! 
 Counterfactual Context: She was making ends meet easily.
Output (English): It made her happy that she would be able to get her parents anything. A few days before Christmas, a customer left her $100 tip. She was able to get something even better for her parents!