Task: Story Composition
Input (English): Premise: Evan was nine but sometimes still wet the bed. 
 Initial Context: He was invited to a sleepover but afraid to attend. 
 Original Ending: He did not want anyone to discover his secret! Then his mom bought him a pack of absorbent underwear to wear. Evan felt much more secure with the backup underwear on! 
 Counterfactual Context: He never had sleepovers.
Output (English): He did not want anyone to discover his secret! Then his mom bought him a pack of absorbent underwear to wear. Evan felt much more secure with the backup underwear on!