Task: Story Composition
Input (English): Premise: I was driving home last week during the snowstorm. 
 Initial Context: It had just started so I thought I was safe. 
 Original Ending: All of a sudden I lost control of the car. I had hit a patch of black ice. I was able to get control but learned a valuable lesson. 
 Counterfactual Context: It had just started when I arrived home.
Output (English): All of a sudden I fell down when I got out of the car at home. I had slid a patch of  ice in the driveway. I was able to get  back up but learned a valuable lesson.