| Typicality: | 0.551 |
| Saliency: | 0.401 |
| with one exception | 6 | other |
| opal → be found in → cretaceous rock | 6 |
| opal → be found in → paleozoic rock | 6 |
| negative | neutral | positive |
| 0.032 | 0.901 | 0.067 |
| Raw frequency | 12 |
| Normalized frequency | 0.401 |
| Modifier score | 0.900 |
| Perplexity | 41.321 |