Task: Story Composition
Input (English): Premise: Jenna was going on a long hike. 
 Initial Context: For the first part of the hike, she trekked deep into a canyon. 
 Original Ending: Then, she climbed up a winding cliff side. At the top of this tall peak, she climbed out to the edge. At the end of the hike, she was standing a huge peak. 
 Counterfactual Context: She trekked across flat palines as far as the eye could see.
Output (English): Then, she climbed up a small hill. At the top of this small hill, she climbed out to the edge. At the end of the hike, she was standing on a slightly taller hill.