| Typicality: | 0.504 |
| Saliency: | 0.216 |
| from most of the shale | 2 | location |
| gas → be released at → the surface | 5 |
| gas → escape to → the surface | 5 |
| negative | neutral | positive |
| 0.381 | 0.588 | 0.032 |
| Raw frequency | 10 |
| Normalized frequency | 0.216 |
| Modifier score | 1.000 |
| Perplexity | 140.507 |