Task: Story Composition
Input (English): Premise: On Saturday afternoon the Smith family drove downtown. 
 Initial Context: They wanted to see the annual christmas parade. 
 Original Ending: Highlight of the parade was Santa Claus at the end of the parade. Everybody enjoyed watching the parade that afternoon. After the parade the Smith family went to have dinner together. 
 Counterfactual Context: They just missed the annual Christmas parade.
Output (English): Highlight of the parade was Santa Claus at the end of the parade. Everybody was upset they missed the parade that afternoon. The Smith family went to have dinner together instead.