Task: Story Composition
Input (English): Premise: I once wrote a story for my friend. 
 Initial Context: It mentioned how much dog hair was in my house. 
 Original Ending: As I went to do something else, I looked down and realized the truth. The dog hair was really, really bad. My vacuum is now really full. 
 Counterfactual Context: It mentioned how many bird feathers were in my house.
Output (English): As I went to do something else, I looked down and realized the truth. The bird feathers were really, really bad. My vacuum is now really full.