Instructions: In this task, you will be presented with a question and you have to answer the question based on your knowledge. Your answers should be as short as possible.
Input: Which tunnel is the shortest in length ? One which is a canal tunnel on the five mile dry section in the Dudley No . 2 Canal in the West Midlands , or one which is on the summit pound of the Kennet and Avon Canal ?
Output:
Bruce Tunnel