Task: Story Composition
Input (English): Premise: Karen and her friend went to the park. 
 Initial Context: They played on the monkey bars. 
 Original Ending: A classmate challenged Karen to a race across the monkey bars. He did not know that Karen and her friends often played on the bars. Karen won the race. 
 Counterfactual Context: They played on the swings all day.
Output (English): A classmate challenged Karen to swing as high as she could. He did not know that Karen and her friends often played on the swings. Karen won the competition.