Task: Story Composition
Input (English): Premise: Charles and Tony are best friend. 
 Initial Context: But Tony had a crush on Deana before Charles. 
 Original Ending: At school, Charles asked Deana out on a date. They became a couple and had a son. Their son is twenty and now Tony is asking Deana for a date. 
 Counterfactual Context: But Deana had a crush on Tony.
Output (English): At school, Charles asked Deana out on a date. Deana said no because she liked Tony. Charles passed on this message and now Tony is asking Deana for a date.