Task: Story Composition
Input (English): Premise: Gwen was married to Gavin. 
 Initial Context: One day, Gwen met Blake. 
 Original Ending: She decided she didn't want to be married to Gavin anymore. They divorced. Now Gwen is in a relationship with Blake. 
 Counterfactual Context: One day, Gwen discovered she was lesbian.
Output (English): She decided she didn't want to be married to Gavin anymore. They divorced. Now Gwen is in a relationship with Kara.