Task: Story Composition
Input (English): Premise: Chelsea's mom had planned the party for months. 
 Initial Context: All of the family was invited. 
 Original Ending: The ceremony was beautiful. They all gathered to celebrate in the backyard. All the planning had been a success! 
 New ending: The ceremony was cancelled. Nobody was there to celebrate in the backyard. All the planning had been for nothing. 
Output (English): Unfortunately, she had to call the family when Chelsea called it off.