| to the environment | 7 | transitive-object |
| to humans | 4 | transitive-object |
| obviously | 2 | degree |
| mining → be → safe | 14 |
| mining → be → safe proposition | 4 |
| negative | neutral | positive |
| 0.180 | 0.489 | 0.331 |
| Raw frequency | 18 |
| Normalized frequency | 0.379 |
| Modifier score | 1.000 |
| Perplexity | 81.569 |