| Typicality: | 0.280 |
| Saliency: | 0.275 |
| beneath the greenland ice sheet | 5 | location |
| to escape | 4 | purpose |
| methane → be held in → sediment | 5 |
| methane → be produced in → sediment | 3 |
| methane → be contained in → the sediment | 3 |
| negative | neutral | positive |
| 0.483 | 0.467 | 0.050 |
| Raw frequency | 11 |
| Normalized frequency | 0.275 |
| Modifier score | 0.500 |
| Perplexity | 92.617 |