Task: Story Composition
Input (English): Premise: When I first saw Presto's picture, I knew he needed to be my dog. 
 Initial Context: On his first day home, however, he proved to be quite the challenge. 
 Original Ending: He attacked our neighbors dogs, and howled through the night. After years of frustration, I committed myself to helping him. One year and hours and hours of training later, we're both happier! 
 Counterfactual Context: On his first day home, however, he proved to be a quiet dog.
Output (English): He avoided our neighbor's dogs, and slept through the night. After years of bliss, I committed myself to keeping him. One year and hours and hours of play later, we're both happier!