| for life | 41 | purpose |
| to life | 29 | purpose |
| very | 19 | degree |
| oxygen → be → essential | 178 |
| oxygen → be → vital | 66 |
| oxygen → be → important | 49 |
| oxygen → be → critical | 35 |
| oxygen → be → crucial | 22 |
| oxygen → be → an essential | 4 |
| oxygen → become → important | 3 |
| negative | neutral | positive |
| 0.107 | 0.454 | 0.439 |
| Raw frequency | 357 |
| Normalized frequency | 1.000 |
| Modifier score | 0.833 |
| Perplexity | 58.399 |