Task: Story Composition
Input (English): Premise: Charles wanted to play basketball throughout high school. 
 Initial Context: He didn't make the freshman team. 
 Original Ending: But he was a benchwarmer for the sophomore team. He practiced hard and attended all of the games. When the starting forward was hurt, Charles was the starter. 
 Counterfactual Context: He made varsity his freshman year.
Output (English): But he was a benchwarmer on Varsity. He practiced hard and attended all of the games. When the starting forward was hurt, Charles was the starter.