Task: Story Composition
Input (English): Premise: Paul decided to throw a costume party. 
 Initial Context: Paul sent out several invitations to his friends and family. 
 Original Ending: In preparation for the party, Paul bought several decorations. In addition, Paul had food and drinks catered. Paul could not wait for the costume party to begin. 
 New ending: In preparation for the party, Paul bought several decorations. In addition, Paul had food and drinks catered. Paul was confused when the costume party began but no one showed up. 
Output (English): Paul forgot to send out invitations to his friends and family.