Task: Story Composition
Input (English): Premise: Tom had to take a business trip for work. 
 Initial Context: Tom was looking forward to the new experience. 
 Original Ending: Tom had never taken a business trip before. Tom had fun on the plane. Tom completed the business trip and had a great time. 
 Counterfactual Context: Tom was expecting to the old experience.
Output (English): Tom had taken dozens of business trips before. Tom did some work on the plane. Tom completed the business trip and had a great time.