| Typicality: | 0.538 |
| Saliency: | 0.651 |
| for our purposes | 6 | purpose |
| in regulating them | 5 | other |
| very | 4 | degree |
| obstacle → be → challenging | 23 |
| obstacle → be → challenge | 15 |
| obstacle → be → the difficulty | 11 |
| obstacle → be → difficulty | 10 |
| negative | neutral | positive |
| 0.336 | 0.330 | 0.333 |
| Raw frequency | 59 |
| Normalized frequency | 0.651 |
| Modifier score | 0.800 |
| Perplexity | 442.847 |