| Typicality: | 0.291 |
| Saliency: | 0.098 |
| in 1964 | 4 | temporal |
| airport → be opened to → civil aviation | 3 |
| airport → open for → civil aviation | 3 |
| negative | neutral | positive |
| 0.019 | 0.766 | 0.215 |
| Raw frequency | 6 |
| Normalized frequency | 0.098 |
| Modifier score | 0.500 |
| Perplexity | 66.089 |