Task: Story Composition
Input (English): Premise: Jimmy Carr was a speedster. 
 Initial Context: He would go out at night and race his friends on old country roads. 
 Original Ending: One night, Jimmy was racing and had almost won. A cow ran out onto the road in front of him. Jimmy slammed into the cow and flew from his car and hit the pavement. 
 Counterfactual Context: He would go out at night and race his friends on the city highway.
Output (English): One night Jimmy was racing and had almost won. A bicycle rolled out onto the road in front of him. Jimmy slammed into the bicycle and flew from his car and hit the pavement.