Task: Story Composition
Input (English): Premise: Carrie was a lonely child. 
 Initial Context: She didn't have many friends and she kept to herself. 
 Original Ending: One year for Christmas her grandfather bought her a dog. The dog became Carrie's constant companion. Carrie named her new friend Melody. 
 Counterfactual Context: She didn't have any brothers or sisters but she had many friends in school.
Output (English): One year for Christmas her grandfather bought her a dog. The dog became Carrie's constant companion. Carrie named her new friend Melody, but still wished she had siblings.