Task: Story Composition
Input (English): Premise: A bus driver was tired of how his bus looked. 
 Initial Context: He brought it to an auto shop to take the roof off. 
 Original Ending: He came back a week later to pick up his bus. The garage worker told him it cost $8,000. The bus driver told him at that price he'll have to raise bus fare. 
 Counterfactual Context: He traded his bus for a better one.
Output (English): He came the next day to pick up his new bus. The garage worker told him the trade was off. The bus driver told him he'd quit if he had to drive that old bus again.