| Clue | Source | Date |
|---|---|---|
| Reality check, figuratively | Wall Street Journal | 24 Sep 2026 |
| What you might perform to see if milk is fresh | New York Times Easy Mode | 23 Sep 2026 |
| Simple check for freshness | New York Times | 18 Sep 2026 |
| Metaphorical quality check | The Telegraph Cross Atlantic | 03 May 2025 |