Task: Story Composition
Input (English): Premise: John wanted to join his school's weightlifting team. 
 Initial Context: He tried out, and they let him join even though he was weak. 
 Original Ending: They told him he had to improve, though, or he'd be let go! John lifted weights every day at the school gym. Soon he had improved drastically and was one of the best on the team! 
 Counterfactual Context: He tried out and was the strongest boy on the team!.
Output (English): They told him he still had to improve, though. John lifted weights every day at the school gym. Soon he had improved drastically and was still one of the best on the team!