| no longer | 10 | temporal |
| very | 8 | degree |
| to the type of scientific exploration | 8 | other |
| human → be → necessary | 49 |
| human → be → required | 13 |
| human → be → requirement | 3 |
| negative | neutral | positive |
| 0.237 | 0.559 | 0.204 |
| Raw frequency | 65 |
| Normalized frequency | 0.608 |
| Modifier score | 0.657 |
| Perplexity | 35.402 |