Task: Story Composition
Input (English): Premise: We used to play football all the time. 
 Initial Context: My friend Chris would always rush the quarterback. 
 Original Ending: He would get into the three point stance. But as soon as he'd rush, I'd run the other way. It was one of my favorite parts of football. 
 Counterfactual Context: My friend Chris would always follow me.
Output (English): He would get into the three point stance. But as soon as I'd rush, he'd run the same way. It was one of my favorite parts of football.