| Typicality: | 0.363 |
| Saliency: | 0.266 |
| within 7 days of flight departure | 2 | temporal |
| certificate → be issued by → the doctor | 6 |
| certificate → be issued by → doctor | 5 |
| certificate → be completed by → doctor | 5 |
| certificate → be given by → doctor | 3 |
| negative | neutral | positive |
| 0.206 | 0.750 | 0.044 |
| Raw frequency | 19 |
| Normalized frequency | 0.266 |
| Modifier score | 0.500 |
| Perplexity | 85.142 |