| Typicality: | 0.607 |
| Saliency: | 0.646 |
| compared to fixed-wing aircrafts | 6 | other |
| from 1949 | 3 | temporal |
| helicopter → be → manufactured | 18 |
| helicopter → be → produced | 16 |
| helicopter → be → made | 11 |
| negative | neutral | positive |
| 0.093 | 0.735 | 0.171 |
| Raw frequency | 45 |
| Normalized frequency | 0.646 |
| Modifier score | 0.750 |
| Perplexity | 460.437 |