| Typicality: | 0.470 |
| Saliency: | 0.535 |
| often | 7 | degree |
| to be opaque | 5 | purpose |
| in itself | 4 | other |
| art → be → challenging | 62 |
| art → be → challenge | 11 |
| art → be → challenged | 5 |
| art → be → the challenge | 3 |
| art → be about → challenge | 3 |
| negative | neutral | positive |
| 0.095 | 0.350 | 0.555 |
| Raw frequency | 84 |
| Normalized frequency | 0.535 |
| Modifier score | 0.743 |
| Perplexity | 189.882 |