| Typicality: | 0.435 |
| Saliency: | 0.434 |
| in 1962 | 11 | temporal |
| in 1998 | 7 | temporal |
| in 1819 | 4 | temporal |
| cave → open to → the public | 26 |
| cave → open to → public | 5 |
| negative | neutral | positive |
| 0.012 | 0.717 | 0.270 |
| Raw frequency | 31 |
| Normalized frequency | 0.434 |
| Modifier score | 0.500 |
| Perplexity | 159.570 |