| Typicality: | 0.449 |
| Saliency: | 0.315 |
| usually | 3 | temporal |
| symptom → persist for → a couple of hours | 13 |
| symptom → last → a few hours | 7 |
| symptom → last → several hours | 4 |
| symptom → last for → a few hours | 4 |
| symptom → last → a couple of hours | 3 |
| negative | neutral | positive |
| 0.336 | 0.622 | 0.042 |
| Raw frequency | 31 |
| Normalized frequency | 0.315 |
| Modifier score | 0.700 |
| Perplexity | 34.104 |