Task: Story Composition
Input (English): Premise: Michael had a pet dog. 
 Initial Context: His pet dog was suffering. 
 Original Ending: Michael went to the Vet to see what was wrong. The dog went through surgery as a result. Michael and his dog were happy again. 
 Counterfactual Context: His pet dog was in good health.
Output (English): Michael went to the Vet and she said something was wrong. The dog went through surgery as a result. Michael and his dog were happy again.