Task: Story Composition
Input (English): Premise: Kim got engaged and her fiance's parents threw her a party. 
 Initial Context: Jim told her his mom's signature dish was French onion soup. 
 Original Ending: Kim hated onions, but knew it would be rude to not eat. She tried some onion dishes at home, but still hated them all. At the party, she told Jim's mom she was allergic and all was fine. 
 Counterfactual Context: Jim told her his mom's signature dish was a grilled cheese.
Output (English): Kim hated cheese, but knew it would be rude to not eat. She tried some cheese dishes at home, but still hated them all. At the party, she told Jim's mom she was allergic and all was fine.