| Typicality: | 0.534 |
| Saliency: | 0.437 |
| in all weather conditions | 6 | temporal |
| over land | 4 | location |
| nonetheless | 2 | degree |
| aircraft → provide → surveillance | 13 |
| aircraft → perform → surveillance | 7 |
| aircraft → conduct → surveillance | 5 |
| aircraft → be → surveillance | 4 |
| aircraft → carry out → surveillance | 3 |
| negative | neutral | positive |
| 0.036 | 0.867 | 0.097 |
| Raw frequency | 32 |
| Normalized frequency | 0.437 |
| Modifier score | 0.800 |
| Perplexity | 188.937 |