Task: Story Composition
Input (English): Premise: Will had no car. 
 Initial Context: He always had to ask for rides from his friends. 
 Original Ending: He was saving money to buy himself a car. He finally saved enough money. He bought himself a car. 
 Counterfactual Context: He was waiting for his parents to buy him one.
Output (English): He was saving money to buy himself a car just in case they didn't. He finally saved enough money. He bought himself a car.