Task: Story Composition
Input (English): Premise: I wanted to become muscular. 
 Initial Context: But, I didn't want to workout. 
 Original Ending: My friend suggested I do fun exercise. So, I decided to do crossfit. Crossfit was fun and it made me muscular! 
 Counterfactual Context: But, I could not workout.
Output (English): My friend suggested I do fun exercise. My friend didn't understand that I couldn't do that. I was sad I could not become muscular.