Task: Story Composition
Input (English): Premise: Thalia has been invited to play at her friend Janice's home. 
 Initial Context: When Thalia arrives there, she is excited to see a trampoline. 
 Original Ending: Thalia and Janice spend the whole afternoon on the trampoline. Thalia has so much fun that she asks her father if they can get one. Thalia would love to have a trampoline just like Janice has. 
 Counterfactual Context: When Thalia arrives, she sees a swingset.
Output (English): Thalia and Janice spend the whole afternoon on the swing set. Thalia has so much fun that she asks her father if they can get one. Thalia would love to have a swing set just like Janice has.