| by sandstone rocks | 3 | other |
| in supporting plant growth | 3 | location |
| very | 2 | degree |
| soil → be → limited | 9 |
| soil → be limited in → depth | 4 |
| negative | neutral | positive |
| 0.208 | 0.672 | 0.120 |
| Raw frequency | 13 |
| Normalized frequency | 0.210 |
| Modifier score | 0.500 |
| Perplexity | 315.597 |