Task: Story Composition
Input (English): Premise: Ned loved to watch TV and spent many hours a day on the couch. 
 Initial Context: Ned's doctor said that he should get more exercise. 
 Original Ending: Ned decided to limit his TV watching and go to the gym. Ned ended up losing 20 pounds. Ned decided to continue limiting TV time because he felt more healthy. 
 Counterfactual Context: Ned's doctor had required that he stay lying down as he waited for a major leg injury to heal.
Output (English): Ned decided instead to limit his TV watching and go to the gym. Ned ended up injuring his leg more. Ned decided to limit his movements this time because he wanted to heal quicker.