| about the craft of proposal writing | 7 | other |
| to the immune system | 6 | transitive-object |
| for higher auditory functions | 5 | purpose |
| region → be → essential | 46 |
| region → be → must | 7 |
| negative | neutral | positive |
| 0.076 | 0.622 | 0.302 |
| Raw frequency | 53 |
| Normalized frequency | 0.440 |
| Modifier score | 0.500 |
| Perplexity | 370.337 |