Task: Story Composition
Input (English): Premise: Bill was at the laundry cleaners. 
 Initial Context: He was washing his socks today. 
 Original Ending: He left his socks in the washer. When he came back they were gone. A stranger had accidentally thought Bob's laundry was his. 
 Counterfactual Context: But he found out the washer was broken.
Output (English): He left his socks in the broken washer. When he came back they were gone. A stranger had accidentally thought Bob's laundry was his.