Task: Story Composition
Input (English): Premise: Sara decided to throw a surprise birthday party for Amanda. 
 Initial Context: She went to the store for invitations. 
 Original Ending: The invitations were mailed. Lots of people said that they would come to the party. On the night of the party everyone surprised Amanda. 
 New ending: So no invitations were mailed. Sara had to call lots of people last minute but they said that they would come to the party. On the night of the party everyone surprised Amanda. 
Output (English): She forgot to make invitations.