Task: Story Composition
Input (English): Premise: I invited my friend Jake over to play some Basketball. 
 Initial Context: When he arrived, I bet him I could beat him. 
 Original Ending: As we played, it became obvious I wouldn't be winning this game. He won the game by 13 points, and I was shocked by how good he was. When it was all over, Jake told me he was MVP at his High School. 
 Counterfactual Context: When he arrived I was shocked to see he had a cast on his leg.
Output (English): As we talked, it became obvious I wouldn't be playing a game. He proposed we should play basketball video games instead. He beat me on the video game by 13 points, and I was shocked by how good he was.