Task: Story Composition
Input (English): Premise: Mary was driving home one night after work. 
 Initial Context: The truck in front of her was carrying gravel. 
 Original Ending: All of the sudden, she heard a loud crack. A rock had flown out of the truck and hit her windshield. Mary was very sad that she would have to pay for a repair. 
 Counterfactual Context: Her windshield was already cracked and it was hard to see.
Output (English): All of the sudden, she heard a loud crack. A rock had flown out of the truck and hit her windshield damaging it even more. Mary was very sad that she would have to pay for a repair.