Task: Story Composition
Input (English): Premise: Hannah invited her friends over. 
 Initial Context: They were going to have one more sleepover before the summer ended. 
 Original Ending: They all brought snacks and games. The next morning, they were exhausted. They had stayed up all night. 
 Counterfactual Context: They were going to have one more sleepover but Hannah got grounded so no one came over.
Output (English): They were going to have snacks and games. They were going to play all night until they were exhausted. Unfortunately, they didn't get that chance to stay up all night.