Task: Story Composition
Input (English): Premise: Jim wanted to get a cat as a pet. 
 Initial Context: He went to the shelter to get a cat. 
 Original Ending: He picked one out and took the cat home. The instant the cat arrived, it scratched all of Jim's furniture. Jim instantly regretted getting a cat. 
 Counterfactual Context: He went to the shelter and fell in love with a dog instead.
Output (English): He took the dog home. The instant the dog arrived, it scratched all of Jim's furniture. Jim instantly regretted getting a dog.