Task: Story Composition
Input (English): Premise: Lily was at the dentist's office. 
 Initial Context: The hygienist cheerfully scraped plaque and recommended more flossing. 
 Original Ending: The dentist examined her teeth and pronounced her cavity-free. She took a free toothbrush and made her next appointment. Lily left with a clean smile and a sense of relief. 
 Counterfactual Context: The hygenist scraped plaque and found a cavity.
Output (English): The cavity was fixed, and at Lily's next visit, the dentist examined her teeth and pronounced her cavity-free. She took a free toothbrush and made her next appointment. Lily left with a clean smile and a sense of relief.