Task: Story Composition
Input (English): Premise: Molly needed to exchange a shirt for a better size. 
 Initial Context: She brought it to the store and looked for the right size. 
 Original Ending: Unfortunately, she couldn't find the shirt anymore. Instead, she had to look at a new shirt entirely. She settled on a new blouse and bought it. 
 Counterfactual Context: She decided to keep the shirt.
Output (English): She was dieting and the shirt would fit her pretty well soon. She continued eating well and exercising. In a month the shirt fit her perfectly.