Task: Story Composition
Input (English): Premise: Carl wanted to buy a new car. 
 Initial Context: He did a lot of research online. 
 Original Ending: Eventually he decided on one. When he went to the dealership they didn't have it. Carl decided to wait until they got one in. 
 Counterfactual Context: He decided to buy his parents unused car.
Output (English): Eventually they agreed. When he went to their house they agreed on a price. Carl now has a new car.