| Typicality: | 0.342 |
| Saliency: | 0.446 |
| sometimes | 3 | temporal |
| in less severe cases | 2 | other |
| nausea → be accompanied by → headache | 8 |
| nausea → be followed by → headache | 7 |
| nausea → accompany → headache | 4 |
| nausea → be associated with → headache | 3 |
| negative | neutral | positive |
| 0.760 | 0.177 | 0.063 |
| Raw frequency | 22 |
| Normalized frequency | 0.446 |
| Modifier score | 0.467 |
| Perplexity | 40.694 |