Task: Story Composition
Input (English): Premise: I heard a strange noise outside my window. 
 Initial Context: I remember hearing that same noise a year ago. 
 Original Ending: I went outside to investigate. There were two deer in my yard, mating. They were the ones who were making that noise. 
 Counterfactual Context: I remembered hearing it before when the raccoons dug in the trash.
Output (English): I went outside to investigate. There were two racoons diggin in the trash in my yard. They were the ones who were making that noise.