| about their own safety | 9 | other |
| about having a seat | 9 | other |
| about the increased use of hand | 9 | other |
| pilot → be → concerned | 90 |
| pilot → be → worried | 22 |
| pilot → become → concerned | 13 |
| pilot → have → concern | 9 |
| pilot → be → concern | 3 |
| negative | neutral | positive |
| 0.424 | 0.506 | 0.071 |
| Raw frequency | 137 |
| Normalized frequency | 0.669 |
| Modifier score | 0.643 |
| Perplexity | 54.620 |