| extremely | 11 | degree |
| for operational survival | 5 | purpose |
| as the closing announcement | 5 | temporal |
| incident → be → important | 34 |
| incident → be → crucial | 7 |
| incident → be → vital | 5 |
| incident → be → essential | 3 |
| negative | neutral | positive |
| 0.204 | 0.569 | 0.227 |
| Raw frequency | 49 |
| Normalized frequency | 0.385 |
| Modifier score | 0.550 |
| Perplexity | 132.597 |