Task: Story Composition
Input (English): Premise: I leave my house and get in my car. 
 Initial Context: After starting the car, I drive to my doctor's office across town. 
 Original Ending: The drive to the doctor's office takes 15 minutes. I listened to the radio while driving to the doctor's office. I arrived at the office for my doctor's appointment 5 minutes early. 
 Counterfactual Context: I drive to my doctor's but realize it is closed.
Output (English): The drive to the doctor's office took 15 minutes. I listened to the radio while driving to the doctor's office. It was closed because I arrived at the office for my doctor's appointment 5 minutes early.