| with at least six months | 5 | other |
| with this new system | 4 | other |
| after their planned exit from vietnam | 3 | temporal |
| traveler → need → passport | 21 |
| traveler → need → passports | 15 |
| traveler → require → passport | 5 |
| negative | neutral | positive |
| 0.101 | 0.819 | 0.080 |
| Raw frequency | 41 |
| Normalized frequency | 0.579 |
| Modifier score | 1.000 |
| Perplexity | 69.566 |