| more fuel | 13 | degree |
| very | 10 | degree |
| for their price | 7 | other |
| ship → be → efficient | 50 |
| ship → be → more efficient | 31 |
| ship → become → efficient | 5 |
| negative | neutral | positive |
| 0.048 | 0.326 | 0.627 |
| Raw frequency | 86 |
| Normalized frequency | 0.528 |
| Modifier score | 0.500 |
| Perplexity | 395.658 |