| in terms of stamina | 8 | other |
| totally | 6 | degree |
| in being specified for diesel propulsion | 2 | other |
| vessel → be → unique | 29 |
| vessel → be → unusual | 6 |
| negative | neutral | positive |
| 0.082 | 0.522 | 0.397 |
| Raw frequency | 35 |
| Normalized frequency | 0.490 |
| Modifier score | 0.550 |
| Perplexity | 340.059 |