| partly | 6 | degree |
| in origin | 5 | other |
| entirely | 5 | degree |
| cave → be → natural | 35 |
| cave → be → natural caves | 5 |
| cave → be → natural ones | 3 |
| negative | neutral | positive |
| 0.093 | 0.660 | 0.247 |
| Raw frequency | 43 |
| Normalized frequency | 0.495 |
| Modifier score | 0.860 |
| Perplexity | 385.998 |