Task: Story Composition
Input (English): Premise: Jason decides to get more exercise. 
 Initial Context: He chooses to go hiking in the woods. 
 Original Ending: Hi hikes for five miles and his legs get sore. Jason has to rest for a while. Finally rested, Jason hikes home. 
 Counterfactual Context: He doesn't want to hike in the woods.
Output (English): He instead cycles for five miles and his legs get sore. Jason has to rest for a while. Finally rested, Jason bikes home.