Task: Story Composition
Input (English): Premise: Frank fell while running. 
 Initial Context: He put a bandage on his leg. 
 Original Ending: But it bled through almost at once! His mom took him to the hospital. Frank ended up needing twenty-one stitches! 
 Counterfactual Context: He was uninjured and continued his run.
Output (English): But his friend fell and started bleeding almost at once! His mom took him to the hospital. His friend ended up needing twenty-one stitches!