Task: Story Composition
Input (English): Premise: Susie was stuck in traffic for a long time. 
 Initial Context: She was on the highway and getting kind of irritated. 
 Original Ending: Finally she saw there was a car accident. That explained why the traffic was so heavy. Once Susie bypassed it, she was in her way. 
 Counterfactual Context: She was on highway and was a part of a accident.
Output (English): Finally Sam saw there was a car accident. That explained why the traffic was so heavy. Once Sam bypassed it, she was in her way.