Task: Story Composition
Input (English): Premise: Two boys came home from school in the snow. 
 Initial Context: One boy teased the other about a crush he had. 
 Original Ending: The boy's response was a snowball the the face. They both threw off their mittens and began throwing snowballs. By the time their hands were numb they were too tired to continue. 
 Counterfactual Context: One boy teased the other about a crush he had and ran home.
Output (English): The boy's response was to chase him through the snow. They both threw off their mittens and began throwing snowballs. By the time their hands were numb they were too tired to continue.