| Typicality: | 0.569 |
| Saliency: | 0.557 |
| very | 6 | degree |
| without any lights | 6 | other |
| in such terrain | 3 | location |
| helicopter → fly at → low altitude | 20 |
| helicopter → fly at → low altitudes | 8 |
| helicopter → fly at → low levels | 3 |
| negative | neutral | positive |
| 0.223 | 0.638 | 0.139 |
| Raw frequency | 31 |
| Normalized frequency | 0.557 |
| Modifier score | 0.750 |
| Perplexity | 20.646 |