| except ventilation slots in the door | 10 | other |
| except cabin | 4 | other |
| cabin → have → hatch | 10 |
| cabin → have → small hatch | 4 |
| cabin → have → side hatches | 3 |
| negative | neutral | positive |
| 0.031 | 0.731 | 0.238 |
| Raw frequency | 17 |
| Normalized frequency | 0.234 |
| Modifier score | 1.000 |
| Perplexity | 106.128 |