Task: Story Composition
Input (English): Premise: Ben returned his books to the library. 
 Initial Context: However, the clerk told him that he owes them $20 dollars. 
 Original Ending: He argued that what books were turned in on time. She decided not to change her mind. As a result, Ben left regardless what she said. 
 Counterfactual Context: He decided to go to a different library from now on.
Output (English): He argued that this library rarely had the books he wanted. The librarian decided to order more books on the subjects he mentioned. As a result, Ben kept going to the same library after all.