Task: Story Composition
Input (English): Premise: Teresa went for a hike. 
 Initial Context: On the path, she saw a rattlesnake. 
 Original Ending: She and the rattlesnake both froze. Finally, the rattlesnake moved on. Teresa never went hiking alone again. 
 Counterfactual Context: On the path, she saw a mountain lion.
Output (English): She and the lion both froze. Finally, the lion moved on. Teresa never went hiking alone again.