| without instruments | 5 | other |
| by using the new equipment | 3 | manner |
| in moonless night | 3 | temporal |
| pilot → fly → blind | 12 |
| pilot → fly in → the blind | 4 |
| negative | neutral | positive |
| 0.385 | 0.500 | 0.116 |
| Raw frequency | 16 |
| Normalized frequency | 0.293 |
| Modifier score | 0.500 |
| Perplexity | 312.109 |