| Typicality: | 0.280 |
| Saliency: | 0.124 |
| by related sources | 3 | other |
| in one place | 2 | location |
| gas → be introduced into → the atmosphere | 3 |
| gas → be added to → the atmosphere | 3 |
| negative | neutral | positive |
| 0.514 | 0.369 | 0.118 |
| Raw frequency | 6 |
| Normalized frequency | 0.124 |
| Modifier score | 0.700 |
| Perplexity | 31.579 |