Task: Story Composition
Input (English): Premise: Trevor got a new scooter. 
 Initial Context: He took his scooter around the neighborhood. 
 Original Ending: It got dark he was out riding so long. He ended up running into a pothole. His scooter broke, and Trevor cried. 
 Counterfactual Context: He took his scooter into the garage.
Output (English): It got dark after he was out riding so long. He ended up calling it a day. His scooter was stolen that night, and Trevor cried.