Task: Story Composition
Input (English): Premise: Joey and Tom were walking to the park. 
 Initial Context: They were on their way to play basketball with some other friends. 
 Original Ending: As they were walking they found a dog. The dog was super friendly but had no collar. They decided to take the dog home and Joey now has a new pet. 
 Counterfactual Context: They enjoy playing extreme Frisbee.
Output (English): As they were walking to the park they found a dog. The dog was super friendly but had no collar. They decided to take the dog home instead of playing extreme frisbee,  and Joey now has a new pet.