Task: Story Composition
Input (English): Premise: Nana came into the room with a puzzled look on her face. 
 Initial Context: She held up an orange sock and a blue one. 
 Original Ending: My daughter jumped up and grabbed the blue one out of her hand. She took off running down the hall while waving the sock in the air. Nana chased her down, caught her, and tickled her until she laughed. 
 Counterfactual Context: She held up an orange shirt and a blue one.
Output (English): My daughter jumped up and grabbed the blue shirt out of her hand. She took off running down the hall while waving the shirt in the air. Nana chased her down, caught her, and tickled her until she laughed.