| because of distances | 6 | cause |
| no longer | 5 | temporal |
| pilot → be → required | 27 |
| pilot → be → necessary | 17 |
| pilot → be → need | 8 |
| pilot → be → requirement | 3 |
| negative | neutral | positive |
| 0.179 | 0.718 | 0.103 |
| Raw frequency | 55 |
| Normalized frequency | 0.509 |
| Modifier score | 0.589 |
| Perplexity | 180.365 |