| to development | 12 | purpose |
| more so | 6 | degree |
| since elementary school | 6 | temporal |
| librarian → be → essential | 25 |
| librarian → be → important | 21 |
| librarian → be → vital | 5 |
| librarian → be → necessary | 4 |
| librarian → be → crucial | 3 |
| negative | neutral | positive |
| 0.079 | 0.424 | 0.497 |
| Raw frequency | 58 |
| Normalized frequency | 0.833 |
| Modifier score | 1.000 |
| Perplexity | 58.792 |