Task: Story Composition
Input (English): Premise: Sam had a puppy. 
 Initial Context: He tried taking it to the dog park. 
 Original Ending: It was scared and other dogs barked at it. Same realized his puppy was too young for it. He went home and waited to return when it was older. 
 Counterfactual Context: Sam took him for long walks and he grew up so fast.
Output (English): Sometimes it was scared when other dogs barked at it. Same realized his puppy was too young to walk all the way to the park. He went home and waited to return when it was older.