Task: Story Composition
Input (English): Premise: Fred was building a snowman. 
 Initial Context: The first ball was very hard to make. 
 Original Ending: But the smaller top balls were less difficult. Soon Fred's snowman was complete and decorated. Fred was very proud of his cold creation! 
 Counterfactual Context: The first ball was the easiest to make.
Output (English): But the smaller top balls were more difficult. Soon Fred's snowman was complete and decorated. Fred was very proud of his cold creation!