Task: Story Composition
Input (English): Premise: A retired couple bought a recreational vehicle. 
 Initial Context: They thought they'd travel the American Southwest. 
 Original Ending: They wanted to live life on the road. They only made it a single day, though. Unused to driving a vehicle that large, they totaled it parking. 
 Counterfactual Context: They thought they'd give it to their son to travel the American Southwest.
Output (English): They wanted their son to live life on the road. He only made it a single day, though. He was not used to driving a vehicle that large, he totaled it parking.