Task: Story Composition
Input (English): Premise: Lily went to the beach. 
 Initial Context: She decided to build a sand castle. 
 Original Ending: Lily found some shells in the water. She went further out to find some more. Lily got knocked down by a large wave that came up to the shore. 
 Counterfactual Context: She was afraid of the water so she didn't go in.
Output (English): After a few hours, she went in the water and found some shells. She went further out to find some more. Lily got knocked down by a large wave that came up to the shore.