Task: Story Composition
Input (English): Premise: A man wanted to improve his tennis skills. 
 Initial Context: He began studying the exact body movements of professional players. 
 Original Ending: He began emulating their form exactly. He filmed himself to compare it to the professionals. He eventually saw his skills dramatically improve. 
 Counterfactual Context: He decided to hire a personal tennis coach.
Output (English): He began emulating the coach's form exactly. He filmed himself to compare it to the professionals. He eventually saw his skills dramatically improve.