Task: Story Composition
Input (English): Premise: Fred was cooking hamburgers at the barbecue. 
 Initial Context: He told everyone how good his hamburgers were while turning them. 
 Original Ending: Suddenly a flock of birds flew over his house. And the hamburgers were covered in bird droppings. Fred, disappointed, ordered hamburgers for everyone. 
 Counterfactual Context: He had a great setup with a covered area over the grill.
Output (English): Suddenly a flock of birds flew over his house. Luckily, the hamburgers were safe from bird droppings. Fred, vindicated, grilled hamburgers for everyone.