Task: Story Composition
Input (English): Premise: Last week was my girlfriend's birthday. 
 Initial Context: I decided to buy her some balloons. 
 Original Ending: The store was all out of the ones I wanted. I got stuck buying congratulations balloons instead. She didn't like them as much. 
 New ending: The store was all out of the ones I wanted. I got stuck buying congratulations cakes instead. She didn't like them as much. 
Output (English): I decided to buy her some cakes.