Context: The next thing I knew we were at the Big Dam Bridge . Walking up it is quite a bit easier than running or cycling up it , I assure you . Ha !

Question: Why is it easier to walk up the Big Dam Bridge ?
Options:
0. It takes less mental effort .
1. It takes much longer .
2. It is much faster .
3. It takes less physical effort .
Answer: 3

Question: Why is it easier to walk up the Big Dam Bridge ?
Options:
0. It is much faster .
1. It takes less stamina .
2. It takes less mental effort .
3. It takes much longer .
Answer: 1