| very | 18 | degree |
| in the past | 7 | temporal |
| for their hardness | 5 | cause |
| stone → be → valuable | 61 |
| stone → have → value | 19 |
| stone → be considered → valuable | 5 |
| stone → be of → value | 4 |
| negative | neutral | positive |
| 0.103 | 0.476 | 0.421 |
| Raw frequency | 89 |
| Normalized frequency | 0.553 |
| Modifier score | 0.557 |
| Perplexity | 440.873 |