| from hydrogen peroxide | 8 | other |
| from the open ocean bacterium anammox | 4 | other |
| hydrazine → be → produced | 4 |
| hydrazine → be produced in → several steps | 3 |
| negative | neutral | positive |
| 0.100 | 0.836 | 0.063 |
| Raw frequency | 7 |
| Normalized frequency | 0.400 |
| Modifier score | 0.500 |
| Perplexity | 85.277 |