Task: Story Composition
Input (English): Premise: Cassidy was at her friend's house sleeping over. 
 Initial Context: Her friend's mom was out drinking with a friend. 
 Original Ending: Late at night the two women came home drunk. Cassidy wasn't used to being around that, and was uncomfortable. She decided to go home right then. 
 Counterfactual Context: Her friend's mom was joining them in the sleep over.
Output (English): Late at night t, the mom went out and got drunk. Cassidy wasn't used to being around that when the mom came home and was uncomfortable. She decided to go home right then.