Task: Story Composition
Input (English): Premise: Jade had bought a tray of cookies for a Christmas party that night. 
 Initial Context: She gave one to her toddler to try. 
 Original Ending: She hadn't realized the cookie had pecans in it! He had to be rushed to the emergency room because of his allergy. So happy he recovered, she wasn't sad about missing the party. 
 Counterfactual Context: She gave one to her dog to try.
Output (English): She hadn't realized the cookie had pecans in it! He had to be rushed to the emergency Vet because of his allergy. So happy he recovered, she wasn't sad about missing the party.