Task: Story Composition
Input (English): Premise: Ken loves the outdoors and wanted to go hiking. 
 Initial Context: Ken put on his boots and drove to a state park. 
 Original Ending: Ken parked his car and walked up to the top of the mountain. He took off his backpack and drank water at the peak. Ken was happy he made it to the top and then went home. 
 Counterfactual Context: He reached the state park by walking.
Output (English): Ken rest a little and walked around. He decided to eat lunch at the park. Ken was happy to spend the day walking at the park.