| usually | 11 | degree |
| in certain cases | 4 | temporal |
| most frequently age | 4 | degree |
| cataract → be → related | 30 |
| cataract → be → something | 12 |
| cataract → be → the case | 5 |
| negative | neutral | positive |
| 0.389 | 0.566 | 0.046 |
| Raw frequency | 47 |
| Normalized frequency | 0.491 |
| Modifier score | 0.800 |
| Perplexity | 152.519 |