| Typicality: | 0.497 |
| Saliency: | 0.543 |
| very | 51 | degree |
| often | 12 | degree |
| to the permit condition | 9 | other |
| case → be → challenging | 117 |
| case → be → challenge | 70 |
| case → become → challenging | 3 |
| case → prove → challenging | 3 |
| negative | neutral | positive |
| 0.339 | 0.473 | 0.188 |
| Raw frequency | 193 |
| Normalized frequency | 0.543 |
| Modifier score | 0.548 |
| Perplexity | 220.374 |