Task: Story Composition
Input (English): Premise: My dorm mates were incredible pranksters. 
 Initial Context: One day they filled a thirty gallon Rubbermaid trash can with water. 
 Original Ending: The opened the laundry room door, propping the can on the door's top. As the floor manager entered the laundry room, they nudged the door. The entire thirty gallons poured down on the manager in an icy flood! 
 Counterfactual Context: One day they filled a thirty gallon Rubbermaid trash can with silly string.
Output (English): The opened the laundry room door, propping the can on the door's top. As the floor manager entered the laundry room, they nudged the door. The entire thirty gallons poured down on the manager in a stringy flood!