| in order to protect our health | 8 | purpose |
| for all drivers | 7 | transitive-object |
| in most cases | 6 | temporal |
| knowing → be → necessary | 74 |
| knowing → be → must | 65 |
| knowing → be → required | 3 |
| negative | neutral | positive |
| 0.113 | 0.569 | 0.318 |
| Raw frequency | 142 |
| Normalized frequency | 0.594 |
| Modifier score | 1.000 |
| Perplexity | 99.496 |