Task: Story Composition
Input (English): Premise: John was riding his motorcycle. 
 Initial Context: He was going fast down the road. 
 Original Ending: All of a sudden he swerved to avoid a pothole. The bike flipped. John broke his arm and had to get a cast. 
 New ending: All of a sudden a car crashed into him. The bike flipped. John broke his arm and had to get a cast. 
Output (English): He stopped and parked down the road.