Task: Story Composition
Input (English): Premise: Ben was talking his preteen son rock climbing. 
 Initial Context: They went to an indoor rock wall and suited up. 
 Original Ending: Then they climbed side by side, breathing heavily. At the end of the day, both had reached the top, but it was hard! They agreed that they both needed to be a little more fit! 
 Counterfactual Context: When they arrived, they found the facility had closed for the day due to a gas leak.
Output (English): Then they ran away from the door, breathing heavily. They went back the next day, and both reached the top, but it was hard! They agreed that they both needed to be a little more fit!