Task: Story Composition
Input (English): Premise: All Tom's life, he had only one dream for his future. 
 Initial Context: No matter what, Tom wanted to drive an ice cream truck. 
 Original Ending: He worked very hard to save up for his dream. Finally, after several long years, Tom had enough money. He bought the truck and started his business. 
 Counterfactual Context: No matter what, Tom wanted to buy an ice cream store.
Output (English): He worked very hard to save up for his ice cream truck. Finally, after several long years, Tom had enough money. He bought this ice cream truck and started his own buisness.