| Clue | Source | Date |
|---|---|---|
| Mayonnaise and salad dressing | The Washington Post | 23 May 2020 |
| Mayonnaise and salad dressing | LA Times Daily | 23 May 2020 |
| Opaque liquids such as milk | New York Times | 10 Oct 2017 |
| Opaque liquids such as milk | ||
| Photographic coatings | ||
| Colloidal mixtures | ||
| Milklike liquids. |