Task: Story Composition
Input (English): Premise: Lucy was over Mary's house. 
 Initial Context: She asked Mary's mom for a cookie. 
 Original Ending: Mary's mother didn't believe in artificial sugar. Lucy was hungry and it was hours till dinner. Lucy was given peanut butter and celery for a snack. 
 Counterfactual Context: Mary's mom never made cookies.
Output (English): Mary's mother didn't believe in artificial sugar. Lucy was hungry and it was hours till dinner. Lucy was given peanut butter and celery for a snack.