Task: Story Composition
Input (English): Premise: Sandra was skipping with her dog one day. 
 Initial Context: She liked to skip wherever she went. 
 Original Ending: But she wasn't paying attention to the sidewalk. And she tripped on the edge of a segment of sidewalk. She cried all the way back home ten blocks away. 
 Counterfactual Context: She liked to skip through the grass.
Output (English): But she wasn't paying attention to the grass. And she tripped on a rock hidden in the grass She cried all the way back home ten blocks away.