Task: Story Composition
Input (English): Premise: Sarah only had a carrot for lunch. 
 Initial Context: Her friends made fun of her strange choice for lunch. 
 Original Ending: She shook off their jeers and told them it was very healthy. She offered them a piece of her carrot. The friends all accepted her offer and enjoyed the carrot. 
 Counterfactual Context: Her friends gave her a hamburger for lunch instead.
Output (English): She took half the hamburger and told them it was very healthy. She offered them a piece of her carrot. The friends all accepted her offer and enjoyed the carrot.