Task: Story Composition
Input (English): Premise: Chrissy's aunt sent her a gift. 
 Initial Context: Chrissy opened the box box. 
 Original Ending: Inside, there was a lot of clothes. She pulled them out one by one. Then, she called her aunt to thank her. 
 Counterfactual Context: Sadly, it got lost in the mail.
Output (English): When she finally got it, there was a lot of clothes. She pulled them out one by one. Then, she called her aunt to thank her.