| potentially | 3 | degree |
| always | 3 | degree |
| for a river | 2 | transitive-object |
| selenium → be → harmful | 10 |
| selenium → be → dangerous | 3 |
| selenium → be → bad | 3 |
| selenium → be → detrimental | 3 |
| negative | neutral | positive |
| 0.784 | 0.177 | 0.038 |
| Raw frequency | 19 |
| Normalized frequency | 0.416 |
| Modifier score | 1.000 |
| Perplexity | 88.925 |