Task: Story Composition
Input (English): Premise: The Christmas tree was all set up and decorated. 
 Initial Context: Livvy passed by it and noticed it was moving. 
 Original Ending: She was startled and couldn't figure out what was going on. Then she was a cat tail poking out. Her cat had climbed into the Christmas tree! 
 New ending: She was startled and couldn't figure out what was going on when it started moving. Then she was a cat tail poking out. Her cat had climbed into the Christmas tree! 
Output (English): Livvy was entranced by the stillness of the tree.