| by dropping them | 9 | manner |
| with head and neck restraint devices | 5 | other |
| according to espn | 5 | other |
| helmet → be → tested | 94 |
| helmet → be tested for → safety | 4 |
| helmet → be tested for → use | 3 |
| negative | neutral | positive |
| 0.154 | 0.671 | 0.175 |
| Raw frequency | 101 |
| Normalized frequency | 0.686 |
| Modifier score | 0.950 |
| Perplexity | 70.718 |