| Typicality: | 0.550 |
| Saliency: | 0.323 |
| to the public | 11 | transitive-object |
| to admit of easy travel | 6 | purpose |
| in 1959 | 4 | temporal |
| cave → be made → accessible | 11 |
| cave → become → accessible | 3 |
| cave → make → accessible | 3 |
| negative | neutral | positive |
| 0.033 | 0.684 | 0.283 |
| Raw frequency | 17 |
| Normalized frequency | 0.323 |
| Modifier score | 1.000 |
| Perplexity | 121.097 |