| Typicality: | 0.437 |
| Saliency: | 0.438 |
| for some time | 2 | temporal |
| surveillance → be → ongoing | 6 |
| surveillance → be → active | 6 |
| surveillance → be for → ongoing | 3 |
| negative | neutral | positive |
| 0.207 | 0.764 | 0.029 |
| Raw frequency | 15 |
| Normalized frequency | 0.438 |
| Modifier score | 0.500 |
| Perplexity | 451.114 |