Task: Story Composition
Input (English): Premise: Grant started the lawn mower. 
 Initial Context: The lawn mower stopped after a few minutes. 
 Original Ending: Grant realized that it was out of gas. Grant put the lawnmower away. Grant bought a donkey to eat the grass. 
 New ending: Grant realized he had the fastest lawnmower Grant put the lawnmower away Grant was happy he could mow the grass so fast 
Output (English): The lawn mower finished mowing after a few minutes.