Task: Story Composition
Input (English): Premise: Bob is excited when one of his coworkers sets him up on a blind date. 
 Initial Context: The coworker tells Bob that this girl is perfect for him. 
 Original Ending: When Bob gets to the restaurant he is horrified. The blind date is his sister. They both agree to never tell anyone before leaving immediately. 
 New ending: When Bob gets to the restaurant he is horrified. The blind date is his ex-boyfriend. They both agree to never tell anyone before leaving immediately. 
Output (English): The coworker tells Bob that this man is perfect for him.