Task: Story Composition
Input (English): Premise: Sara wanted to make banana pudding. 
 Initial Context: She had never made it before. 
 Original Ending: It was one of her favorite desserts. She bought everything and followed her gran's recipe. It turned out perfect! 
 Counterfactual Context: But she was allergic to bananas.
Output (English): It was one of her grandma's favorite desserts. She bought everything and followed her gran's recipe. It turned out perfect!