| Typicality: | 0.295 |
| Saliency: | 0.311 |
| in history | 3 | temporal |
| with industrial waste | 2 | other |
| much more | 2 | degree |
| river → be → more polluted | 11 |
| river → become → more polluted | 4 |
| river → become → more and more polluted | 3 |
| negative | neutral | positive |
| 0.787 | 0.193 | 0.020 |
| Raw frequency | 18 |
| Normalized frequency | 0.311 |
| Modifier score | 0.500 |
| Perplexity | 170.538 |