Task: Story Composition
Input (English): Premise: Zach had a project due. 
 Initial Context: He wrote the due date in his planner. 
 Original Ending: He got to school on Wednesday and began reviewing his week. His classmates were turning in their projects. Zach had written the due date on the wrong day. 
 Counterfactual Context: He didn't write the due date in his planner.
Output (English): He got to school on Wednesday and began reviewing his week. His classmates were turning in their projects. Zach then realized he'd never written down the due date and forgot about the project.