| Typicality: | 0.392 |
| Saliency: | 0.333 |
| in 1980 | 5 | temporal |
| in 1907 | 4 | temporal |
| by a native | 3 | other |
| cave → be discovered by → accident | 15 |
| cave → be found by → accident | 3 |
| negative | neutral | positive |
| 0.160 | 0.724 | 0.116 |
| Raw frequency | 18 |
| Normalized frequency | 0.333 |
| Modifier score | 0.500 |
| Perplexity | 46.331 |