| Typicality: | 0.499 |
| Saliency: | 0.628 |
| constantly | 5 | temporal |
| at base air control | 4 | location |
| by several sites | 3 | other |
| ufo → be tracked on → radar | 42 |
| ufo → be tracked on → military radar | 5 |
| ufo → track on → radar | 4 |
| ufo → be tracked by → radar | 3 |
| ufo → be tracked on → ground radar | 3 |
| negative | neutral | positive |
| 0.160 | 0.781 | 0.059 |
| Raw frequency | 57 |
| Normalized frequency | 0.628 |
| Modifier score | 0.440 |
| Perplexity | 52.113 |