Task: Story Composition
Input (English): Premise: Ben and Jack were on trip abroad together. 
 Initial Context: While in Iceland, they rented a small two-door car. 
 Original Ending: There's one highway in Iceland that goes around the whole country. Ben and Jack had three days to drive around the whole road. They did so, and loved every minute of passing scenery and adventure. 
 Counterfactual Context: They decided to go for a horse ride.
Output (English): There's a trail that goes around the whole town. Ben and Jack had six hours to ride around the trail. They did so, and loved every minute of passing scenery and adventure.