| Typicality: | 0.367 |
| Saliency: | 0.327 |
| very | 6 | degree |
| usually | 2 | temporal |
| symptom → be difficult to → treat | 29 |
| symptom → become difficult to → treat | 5 |
| negative | neutral | positive |
| 0.777 | 0.185 | 0.038 |
| Raw frequency | 34 |
| Normalized frequency | 0.327 |
| Modifier score | 0.700 |
| Perplexity | 18.069 |