| usually | 8 | degree |
| in a given patient | 5 | other |
| in most cases | 4 | temporal |
| symptom → be → bilateral | 42 |
| symptom → become → bilateral | 3 |
| negative | neutral | positive |
| 0.354 | 0.588 | 0.058 |
| Raw frequency | 45 |
| Normalized frequency | 0.365 |
| Modifier score | 0.800 |
| Perplexity | 110.114 |