| very | 7 | degree |
| to saving lives | 4 | purpose |
| for bulky school buses | 3 | purpose |
| seat belt → be → important | 15 |
| seat belt → be → essential | 9 |
| seat belt → be → required | 8 |
| seat belt → be → necessary | 5 |
| seat belt → be → must | 3 |
| negative | neutral | positive |
| 0.165 | 0.617 | 0.219 |
| Raw frequency | 40 |
| Normalized frequency | 0.592 |
| Modifier score | 0.500 |
| Perplexity | 85.476 |