| Typicality: | 0.486 |
| Saliency: | 0.364 |
| to aid visual surveillance | 2 | purpose |
| at the time | 2 | temporal |
| pilot → use → night vision goggles | 12 |
| pilot → wear → night vision goggles | 5 |
| pilot → use → night-vision goggles | 4 |
| pilot → wear → night-vision goggles | 3 |
| negative | neutral | positive |
| 0.215 | 0.631 | 0.154 |
| Raw frequency | 24 |
| Normalized frequency | 0.364 |
| Modifier score | 0.750 |
| Perplexity | 44.301 |