Task: Story Composition
Input (English): Premise: Sarah was at the grocery store with her four kids. 
 Initial Context: She shopped and got up to the register to pay. 
 Original Ending: The attendant rang up her groceries and asked for payment. Sarah's credit card was declined and she was so embarrassed. The person behind her paid for her groceries and Sarah was so grateful. 
 Counterfactual Context: She shopped and got up to the register to pay, but could not find her wallet.
Output (English): The attendant rang up her groceries and asked for payment. Sarah's wallet was lost and she was so embarrassed. The person behind her paid for her groceries and Sarah was so grateful.