| a little | 5 | degree |
| with consuming less fuel | 5 | other |
| aerodynamically | 2 | manner |
| aircraft → be → lighter | 44 |
| aircraft → become → lighter | 12 |
| aircraft → get → lighter | 7 |
| negative | neutral | positive |
| 0.065 | 0.484 | 0.450 |
| Raw frequency | 63 |
| Normalized frequency | 0.563 |
| Modifier score | 0.500 |
| Perplexity | 489.697 |