Context: Airport was crowded but lines were moving steadily . The TSA officers were efficient and seemed professional enough . Shoes came off , jacket came off , ball cap came off , boots came off and all went into couple of baskets . Then took the lap top out of its bag and deposited into a basket .

Question: Why did I remove my shoes and jacket ?
Options:
0. None of the above choices .
1. I had just arrived at my hotel room .
2. I had another pair I wanted to wear .
3. I had to go through airport security .
Answer: 3