Task: Story Composition
Input (English): Premise: Sean was invited to a Christmas Party. 
 Initial Context: He carefully planned out what he would wear to the party. 
 Original Ending: When the day of the party arrived Sean was both happy and excited. Sean had a great time at the party and met many new friends. He can't wait until next year's party. 
 Counterfactual Context: He wasn't able to attend since he was going back to his hometown for Christmas.
Output (English): When the day of the party arrived Sean was both happy and excited he didn't attend. Sean knew he wouldn't have had a great time at the party and wouldn't meet many new friends. He'll probably miss next year's party too.