Task: Story Composition
Input (English): Premise: Jake and Mary had been dating for two years. 
 Initial Context: When Jake picked Mary up for a date he had something special planned. 
 Original Ending: At the end of the dinner Mary found a surprise in her cake. It was a beautiful diamond ring! Jake asked her to marry him and she said yes. 
 Counterfactual Context: When Jake picked Mary up for a date he planned to end things.
Output (English): At the end of the dinner Mary found out he was breaking up with her. It was a terrible scene! Jake asked her to stop yelling but she couldn't stop.