| to prove the case | 12 | purpose |
| sometimes | 10 | degree |
| for implementing and designing a project | 9 | purpose |
| expert → be → necessary | 73 |
| expert → be → required | 70 |
| expert → be → need | 10 |
| negative | neutral | positive |
| 0.174 | 0.692 | 0.134 |
| Raw frequency | 153 |
| Normalized frequency | 0.525 |
| Modifier score | 0.470 |
| Perplexity | 108.497 |