Task: Story Composition
Input (English): Premise: I was sitting in the car when I realized my backpack was wet. 
 Initial Context: I opened it up and looked inside. 
 Original Ending: It turned out my water bottle had leaked inside my bag. I had to take everything out and set it out to dry. Despite my best efforts to save it, one of my notebooks was ruined. 
 New ending: It turned out my juice box had leaked inside my bag. I had to take everything out and set it out to dry. Despite my best efforts to save it, one of my notebooks was ruined. 
Output (English): I opened it and found a leaking juice box.