| on understand the region’s history | 3 | transitive-object |
| to postoperative pneumothorax | 2 | transitive-object |
| evidence → have → effect | 11 |
| evidence → have → the effect | 4 |
| evidence → effect → change | 3 |
| negative | neutral | positive |
| 0.194 | 0.618 | 0.188 |
| Raw frequency | 18 |
| Normalized frequency | 0.274 |
| Modifier score | 0.000 |
| Perplexity | 99.171 |