Task: Story Composition
Input (English): Premise: My grandpa had a dog named Boy. 
 Initial Context: I really loved Boy and played with him often. 
 Original Ending: One day, Boy started leading me on a trail. I followed him, until I heard people talking and a grill smoking. He had led me straight to a house party to get him hot dogs! 
 Counterfactual Context: Boy was actually a girl.
Output (English): One day, Boy started leading me on a trail. I followed her, until I heard people talking and a grill smoking. She had led me straight to a house party to get her hot dogs!