Context: Ahh ... on weekends we need to input a PIN code on top of scanning . Well , let 's input the PIN ... Normally when I do this , I can hear the doors unlocking immediately . This time there was no response .

Question: What was the reason we could not get in the building ?
Options:
0. There was a quick response to the PIN
1. None of the above choices .
2. The scanner responded to the PIN
3. The scanner was working .
Answer: 1