Task: Story Composition
Input (English): Premise: It was a very mild winter. 
 Initial Context: Anna and her friends wanted snow so they could sled. 
 Original Ending: Then a cold front approached. It buried Anna's town in over a foot of snow! Anna was very happy that she could sled now! 
 New ending: It buried Anna's town in over a foot of snow! Anna was very happy that she could sled now! Anna had lots of fun that winter. 
Output (English): Then a cold front approached.