| with a head injury | 6 | other |
| quickly | 3 | manner |
| on board | 2 | location |
| ambulance → have → patient | 6 |
| ambulance → get → patient | 4 |
| ambulance → attend → patient | 3 |
| ambulance → treat → patient | 3 |
| negative | neutral | positive |
| 0.230 | 0.539 | 0.231 |
| Raw frequency | 16 |
| Normalized frequency | 0.366 |
| Modifier score | 0.500 |
| Perplexity | 269.498 |