| Typicality: | 0.383 |
| Saliency: | 0.311 |
| in this second stage | 6 | temporal |
| by methanogens | 5 | other |
| by using local water | 4 | manner |
| hydrogen → be converted into → methane | 6 |
| hydrogen → be used to form → methane | 4 |
| hydrogen → be converted to → methane | 3 |
| hydrogen → be used to produce → methane | 3 |
| negative | neutral | positive |
| 0.164 | 0.768 | 0.068 |
| Raw frequency | 16 |
| Normalized frequency | 0.311 |
| Modifier score | 0.500 |
| Perplexity | 25.845 |