| Typicality: | 0.347 |
| Saliency: | 0.256 |
| chemical → be found in → air pollution | 7 |
| chemical → contribute to → air pollution | 4 |
| chemical → cause → massive air pollution | 3 |
| negative | neutral | positive |
| 0.843 | 0.148 | 0.009 |
| Raw frequency | 14 |
| Normalized frequency | 0.256 |
| Modifier score | 0.733 |
| Perplexity | 32.623 |