Context: He seemed genuinely surprised . I said , " You do n't look like the people on 2 , and you do n't look like my coworkers . So you must be on 7 . " He laughed . Is that Occam 's razor?The other good way to tell is that one of the occupants on 7 is a firm , and they 're always dressed to the nines .

Question: Why is the man so doubtful about the elevator passengers ?
Options:
0. None of the above choices .
1. He feels they are dressed shabbily .
2. He feels one of them has a weapon .
3. He does not recognize them .
Answer: 3