| Typicality: | 0.620 |
| Saliency: | 0.487 |
| from other means of transportation | 4 | other |
| carbon dioxide → be produced by → human | 18 |
| carbon dioxide → be produced by → human activities | 11 |
| carbon dioxide → be attributed to → human activity | 3 |
| carbon dioxide → be generated by → human activity | 3 |
| negative | neutral | positive |
| 0.421 | 0.511 | 0.069 |
| Raw frequency | 35 |
| Normalized frequency | 0.487 |
| Modifier score | 1.000 |
| Perplexity | 34.894 |