| no longer | 10 | temporal |
| depending on the borehole depth | 7 | other |
| to correct the problem | 5 | purpose |
| screen → be → required | 32 |
| screen → be → necessary | 27 |
| screen → be → needs | 4 |
| screen → be → the need | 4 |
| screen → be → need | 3 |
| negative | neutral | positive |
| 0.158 | 0.719 | 0.123 |
| Raw frequency | 70 |
| Normalized frequency | 0.499 |
| Modifier score | 0.300 |
| Perplexity | 221.904 |