Task: Story Composition
Input (English): Premise: It was Shane's turn to ride the zip line. 
 Initial Context: He grabbed the bar and raced down. 
 Original Ending: He wasn't ready for the sudden jolting stop. He fell off and landed on his hands. He broke both of his arms. 
 New ending: His friend went instead. Shane's friend wasn't ready for the sudden jolting stop. He fell off and landed on his hands. 
Output (English): He was too scared and didn't go.