Task: Story Composition
Input (English): Premise: Thomas had never tried ping pong before. 
 Initial Context: He went over his friend Billy's house and played for the first time. 
 Original Ending: Thomas was shocked by how much finesse is needed. They both practiced for several hours. By the end of the day, Thomas had a grasp on some techniques. 
 Counterfactual Context: He went over his friend Billy's house but they only played for a brief time.
Output (English): Thomas was shocked by how much finesse is needed. He went home and practiced for several hours. By the end of the day, Thomas had a grasp on some techniques.