Task: Story Composition
Input (English): Premise: Ben wanted to become a great basketball player. 
 Initial Context: Ben went to the gym every day over the summer, practicing. 
 Original Ending: Ben ran drills and worked on his free throws. Ben tried out for the team at his school the following year. Ben made the team as a starting point guard! 
 Counterfactual Context: Ben went to the casino every day over the summer, neglecting his basketball practice.
Output (English): Ben spent all his money at the casino. With his last dollar he hit the jackpot! Ben forgot all about basketball.