| than in the early 1900s | 4 | temporal |
| from safer gear to concussion protocols | 2 | cause |
| football → be → safer | 13 |
| football → be made → safer | 6 |
| negative | neutral | positive |
| 0.112 | 0.372 | 0.517 |
| Raw frequency | 19 |
| Normalized frequency | 0.386 |
| Modifier score | 0.500 |
| Perplexity | 385.066 |