Task: Story Composition
Input (English): Premise: Mary tried to make the perfect batch of peanut butter cookies. 
 Initial Context: She tried every combination she could think of. 
 Original Ending: The cookies just never turned out like she wanted. Glenda told her to adjust the oven temperature. That did the trick! 
 New ending: The cookies just never turned out like she wanted. Glenda told her to use stevia instead. That did the trick! 
Output (English): She was adding too much sugar.