| Typicality: | 0.378 |
| Saliency: | 0.504 |
| in previously healthy people | 2 | other |
| pollution → trigger → heart attacks | 7 |
| pollution → be linked to → heart attacks | 5 |
| pollution → cause → heart attacks | 4 |
| pollution → cause → 66 heart attacks | 3 |
| negative | neutral | positive |
| 0.870 | 0.117 | 0.013 |
| Raw frequency | 19 |
| Normalized frequency | 0.504 |
| Modifier score | 0.500 |
| Perplexity | 119.241 |