| Typicality: | 0.464 |
| Saliency: | 0.425 |
| back up the bore hole | 8 | transitive-object |
| naturally | 4 | manner |
| without any stimulation | 3 | manner |
| gas → flow to → the surface | 24 |
| gas → migrate to → the surface | 5 |
| gas → move to → the surface | 3 |
| negative | neutral | positive |
| 0.114 | 0.776 | 0.110 |
| Raw frequency | 32 |
| Normalized frequency | 0.425 |
| Modifier score | 0.600 |
| Perplexity | 91.283 |