| Clue | Source | Date |
|---|---|---|
| "Really?" | Universal | 15 Apr 2025 |
| "That true?" | Universal | 08 Jul 2024 |
| Formal "Can this be true?" | ||
| Rather formal "Can this be true?" | LA Times Daily | 06 Jun 2023 |
| 'Can this be true?' | The Washington Post | 07 Dec 2018 |
| "Can this be true?" | LA Times Daily | 07 Dec 2018 |
| 'Really?' | The Washington Post | 07 Jul 2018 |
| "Really?" | LA Times Daily | 07 Jul 2018 |
| "Can this be true?" | ||
| "Really?" | ||
| "Truthfully?" | USA Today | 24 Apr 2016 |
| "Really?" |