| on the river | 5 | location |
| on wellbeing | 4 | transitive-object |
| on skin | 4 | location |
| pollution → take → toll | 7 |
| pollution → take → its toll | 5 |
| pollution → take → their toll | 3 |
| negative | neutral | positive |
| 0.791 | 0.184 | 0.025 |
| Raw frequency | 15 |
| Normalized frequency | 0.439 |
| Modifier score | 0.500 |
| Perplexity | 15.881 |