| Typicality: | 0.516 |
| Saliency: | 0.243 |
| traveler → provide → a yellow fever vaccination certificate | 6 |
| traveler → have → proof of yellow fever vaccination | 3 |
| negative | neutral | positive |
| 0.228 | 0.740 | 0.032 |
| Raw frequency | 9 |
| Normalized frequency | 0.243 |
| Modifier score | 1.000 |
| Perplexity | 24.534 |