Task: Story Composition
Input (English): Premise: My wife had decided to surprise me with a puppy. 
 Initial Context: The puppy quickly grew and became my best friend. 
 Original Ending: As we grew older together the wife left me but I still had my friend. Slowly but surely the puppy turned into a dog. My heart broke when I had to take him to the vet for a final rest. 
 New ending: As we grew older together the wife left me and I still had a furry enemy. Slowly but surely the puppy turned into a dog. Even though he never liked me, my heart broke when I had to take him to the vet for a final rest. 
Output (English): The puppy quickly grew and started hating me.