| for obtaining food | 2 | purpose |
| river → be used for → water | 6 |
| river → be used as → a source of water | 3 |
| river → be used for → water supplies | 3 |
| negative | neutral | positive |
| 0.158 | 0.748 | 0.094 |
| Raw frequency | 12 |
| Normalized frequency | 0.240 |
| Modifier score | 0.500 |
| Perplexity | 87.020 |