| Typicality: | 0.422 |
| Saliency: | 0.404 |
| under the clean air act | 2 | other |
| carbon dioxide → be → regulated | 11 |
| carbon dioxide → be regulated under → the clean air act | 9 |
| carbon dioxide → be regulated as → pollutant | 3 |
| negative | neutral | positive |
| 0.305 | 0.628 | 0.067 |
| Raw frequency | 23 |
| Normalized frequency | 0.404 |
| Modifier score | 0.500 |
| Perplexity | 39.895 |