| during the electrolysis process | 12 | temporal |
| during photosynthesis | 6 | temporal |
| by converting water | 4 | manner |
| oxygen → be → produced | 84 |
| oxygen → be produced as → a by | 8 |
| oxygen → being → produced | 5 |
| oxygen → be produced in → addition | 3 |
| negative | neutral | positive |
| 0.151 | 0.688 | 0.162 |
| Raw frequency | 100 |
| Normalized frequency | 0.734 |
| Modifier score | 0.286 |
| Perplexity | 71.652 |