| in the ground | 8 | location |
| normally | 2 | degree |
| at both | 2 | location |
| cave → have → opening | 11 |
| cave → be → natural opening | 4 |
| cave → have → natural opening | 3 |
| negative | neutral | positive |
| 0.076 | 0.773 | 0.151 |
| Raw frequency | 18 |
| Normalized frequency | 0.333 |
| Modifier score | 0.700 |
| Perplexity | 311.986 |