Task: Story Composition
Input (English): Premise: Ken really messed up his leg. 
 Initial Context: He had a competition coming up, the nationals. 
 Original Ending: He decided to work through the pain. He ended up winning the competition. Unfortunately, his doctor told him he would never play again. 
 Counterfactual Context: He had dislocated his knee and pulled his hamstring.
Output (English): He decided to work with his physical therapist. He ended up  healing in time to win the competition. Unfortunately, his doctor told him he should never play again.