Task: Story Composition
Input (English): Premise: Bob was at the beach. 
 Initial Context: He spent the entire day building a giant sand castle. 
 Original Ending: He decided to snap a picture of his creation. As he was about to take a picture, a wave hit his castle. Bob was a second late, and missed his opportunity for a photo. 
 Counterfactual Context: He spent the entire day sleeping.
Output (English): His friend decided to snap a picture of him. As his friend was about to take a picture, a wave hit his foot. Bob's friend was a second late, and missed his opportunity for a photo.