Task: Story Composition
Input (English): Premise: Michelle always wanted a dog. 
 Initial Context: As a child she would beg her parents for a puppy. 
 Original Ending: They always said no because her brother was allergic to animals. She never stopped asking and she never got a dog. When she was 19 she moved out on her own and bought a dog. 
 Counterfactual Context: She asked her parents for a kitten instead.
Output (English): They always said no because her brother was allergic to animals. She never stopped asking and she never got a kitten too. When she was 19 she moved out on her own and bought a dog and a kitten.