| very | 10 | degree |
| for the eagles | 4 | transitive-object |
| in the smaller prop planes | 3 | other |
| flight → be → difficult | 24 |
| flight → be → tricky | 8 |
| flight → be → challenging | 4 |
| flight → be → challenge | 4 |
| negative | neutral | positive |
| 0.540 | 0.308 | 0.152 |
| Raw frequency | 40 |
| Normalized frequency | 0.351 |
| Modifier score | 0.825 |
| Perplexity | 446.782 |