| in public | 11 | location |
| about mass extinction | 5 | other |
| sometimes | 5 | temporal |
| scientist → be → silent | 18 |
| scientist → remain → silent | 9 |
| scientist → stay → silent | 6 |
| scientist → kept → silent | 4 |
| scientist → keep → silent | 4 |
| negative | neutral | positive |
| 0.514 | 0.456 | 0.030 |
| Raw frequency | 41 |
| Normalized frequency | 0.462 |
| Modifier score | 0.743 |
| Perplexity | 226.321 |