Task: Story Composition
Input (English): Premise: Harold was always naturally athletic in school. 
 Initial Context: He never practiced and sports came easy to him. 
 Original Ending: When he reached high school he tried out for the track team. He failed to even make the second string team. Harold practiced hard after he failed to make the team. 
 Counterfactual Context: He never stretched or practiced and pulled his hamstring.
Output (English): When he reached high school he couldn't try out for the track team. He was upset because of his injury. He tried again next year after his injury healed.