| with 45 to 60 percent effectiveness | 5 | other |
| in preventing total ejections | 2 | purpose |
| seat belt → be → effective | 17 |
| seat belt → be → most effective | 11 |
| seat belt → be → the most effective safety feature | 3 |
| seat belt → be → the most effective way | 3 |
| seat belt → be → the single most effective means | 3 |
| negative | neutral | positive |
| 0.076 | 0.458 | 0.466 |
| Raw frequency | 37 |
| Normalized frequency | 0.574 |
| Modifier score | 0.500 |
| Perplexity | 195.278 |