Task: Story Composition
Input (English): Premise: I slowly drove down the lane to the cabin. 
 Initial Context: It had been quite a while since I was last here. 
 Original Ending: I parked and walked onto the porch. I opened the front door. A raccoon ran out of the door, and gave me quite a scare. 
 Counterfactual Context: Snow blocked the front door of the cabin.
Output (English): I parked and walked onto the porch. I opened the window. A raccoon ran out of the window, and gave me quite a scare.