| highly | 22 | degree |
| fully | 12 | degree |
| on each kind of aircraft | 11 | other |
| pilot → be → qualified | 134 |
| pilot → possess → qualification | 4 |
| pilot → become → qualified | 3 |
| negative | neutral | positive |
| 0.100 | 0.550 | 0.351 |
| Raw frequency | 141 |
| Normalized frequency | 0.674 |
| Modifier score | 0.909 |
| Perplexity | 250.136 |