| for hydroelectric power | 7 | purpose |
| as waterways | 3 | other |
| to birds | 2 | transitive-object |
| river → be → valuable | 14 |
| river → be of → great value | 3 |
| negative | neutral | positive |
| 0.095 | 0.259 | 0.646 |
| Raw frequency | 17 |
| Normalized frequency | 0.301 |
| Modifier score | 0.500 |
| Perplexity | 287.507 |