Task: Story Composition
Input (English): Premise: Sam had always wanted a dog. 
 Initial Context: He decided to get a golden retriever puppy. 
 Original Ending: On the way to the breeder he saw a puppy on the side of the road. He stopped and saw it was a stray dog. He decided to keep this dog and adopt him. 
 New ending: On the way to the grocery store he saw a puppy on the side of the road. He stopped and saw it was a stray dog. He decided to keep this dog and hide it from his parents. 
Output (English): But his parents wouldn't let him have one.