| for each visit | 4 | purpose |
| clearly | 2 | manner |
| for extra interventions | 2 | purpose |
| contract → relate to → charge | 18 |
| contract → affect → charge | 17 |
| contract → include → charge | 10 |
| contract → specify → charge | 4 |
| negative | neutral | positive |
| 0.202 | 0.764 | 0.034 |
| Raw frequency | 49 |
| Normalized frequency | 0.371 |
| Modifier score | 1.000 |
| Perplexity | 446.439 |