Task: Story Composition
Input (English): Premise: I noticed a huge alligator swimming in our canal behind our house. 
 Initial Context: There was a small duck swimming towards the alligator. 
 Original Ending: I held my breath, waiting for the inevitable to happen. The duck swam closer and closer towards the gators mouth! The alligator slowly turned away from the duck, swimming away. 
 Counterfactual Context: There was a small fish swimming towards the alligator.
Output (English): I held my breath, waiting for the inevitable to happen. The fish swam closer and closer towards the gators mouth! The alligator slowly turned away from the fish, swimming away.