| in some areas | 7 | location |
| as aids | 5 | manner |
| especially | 5 | degree |
| pollution → be → dangerous | 9 |
| pollution → be → deadly | 7 |
| pollution → be → hazardous | 4 |
| pollution → be → toxic | 4 |
| negative | neutral | positive |
| 0.919 | 0.072 | 0.010 |
| Raw frequency | 24 |
| Normalized frequency | 0.568 |
| Modifier score | 0.500 |
| Perplexity | 29.657 |