| from the system | 19 | location |
| from the water | 7 | location |
| from bacteria | 4 | other |
| ammonia → be → removed | 50 |
| ammonia → be removed as → liquid | 4 |
| negative | neutral | positive |
| 0.332 | 0.611 | 0.057 |
| Raw frequency | 54 |
| Normalized frequency | 0.649 |
| Modifier score | 0.850 |
| Perplexity | 65.886 |