| Typicality: | 0.291 |
| Saliency: | 0.300 |
| on the land | 2 | location |
| gas → cause → air pollution | 5 |
| gas → contribute to → air pollution | 4 |
| gas → cause → pollution | 4 |
| gas → affect → air quality | 3 |
| negative | neutral | positive |
| 0.794 | 0.194 | 0.012 |
| Raw frequency | 16 |
| Normalized frequency | 0.300 |
| Modifier score | 0.500 |
| Perplexity | 135.918 |