Task: Story Composition
Input (English): Premise: Chris played baseball for his school's team. 
 Initial Context: No one thought he was good. 
 Original Ending: He missed the ball every time he swung. He practiced really hard after the last game that his team lost. The next game, he scored a home run and was the reason his team won. 
 Counterfactual Context: He was the best player they had.
Output (English): He never missed the ball every time he swung. He practiced really hard after the last game that his team lost. The next game, he scored a home run and was the reason his team won.