| in aircraft | 4 | location |
| in accordance with the cmvss | 4 | other |
| car seat → be → certified | 10 |
| car seat → be certified for → use | 4 |
| negative | neutral | positive |
| 0.093 | 0.564 | 0.344 |
| Raw frequency | 14 |
| Normalized frequency | 0.307 |
| Modifier score | 0.850 |
| Perplexity | 327.297 |