| very | 9 | degree |
| exceptionally | 9 | degree |
| due to the ducted fan | 6 | cause |
| aircraft → be → quiet | 46 |
| aircraft → continue to be → quietest | 4 |
| aircraft → be → quietest | 3 |
| negative | neutral | positive |
| 0.063 | 0.329 | 0.608 |
| Raw frequency | 53 |
| Normalized frequency | 0.531 |
| Modifier score | 0.500 |
| Perplexity | 364.109 |