Task: Story Composition
Input (English): Premise: Norman threw a party for all his friends. 
 Initial Context: They danced all night and had a lot of fun. 
 Original Ending: But around midnight, Norman started screaming. A big rat was running in the middle of the room. Everyone left in panic and Norman was alone with the rat. 
 Counterfactual Context: They had a great party by the pool.
Output (English): But around midnight, Norman started screaming. A big rat jumped in the middle of the pool. Everyone left in panic and Norman was alone with the rat.