| Clue | Source | Date |
|---|---|---|
| Elevator operator's question | Thomas Joseph | 20 Aug 2022 |
| Prospective elevator passenger's query | The Washington Post | 20 Aug 2019 |
| Prospective elevator passenger's query | LA Times Daily | 20 Aug 2019 |
| Prospective elevator passenger's query | ||
| Elevator operator's question | USA Today | 08 Aug 2016 |
| Elevator operator's question | ||
| Question heard on elevators | ||
| Question heard on elevators |