Task: Story Composition
Input (English): Premise: Jimmy needed a new pair of pants. 
 Initial Context: The pair he wanted was twenty dollars. 
 Original Ending: Jimmy mowed lawns for money. He saved up twenty dollars. Jimmy bought the pants he wanted. 
 New ending: Jimmy mowed lawns for the money. He saved exactly forty dollars. Jimmy bought the pants he wanted. 
Output (English): He bought some for forty dollars.