| after a long time | 9 | temporal |
| pretty | 6 | degree |
| sometimes | 3 | degree |
| prologue → be → necessary | 15 |
| prologue → be → essential | 5 |
| prologue → be → important | 3 |
| prologue → be → crucial | 3 |
| negative | neutral | positive |
| 0.128 | 0.629 | 0.244 |
| Raw frequency | 26 |
| Normalized frequency | 0.713 |
| Modifier score | 0.600 |
| Perplexity | 111.558 |