Context: About an hour later , my phone rings . Apparently out of the three people that were at the store that have keys , two of them did not have a key to the cage , and the other person did not have his keys with him . And I was closest .
Question: Why did the writer 's phone ring ?
Option 0: None of the above choices .
Option 1: Because one person did n't have keys with him .
Option 2: Because two people did not have a key to the cage .
Option 3: Because he was being asked to unlock a door .
Answer: 3