| Typicality: | 0.314 |
| Saliency: | 0.355 |
| terrorist attack → use → biological | 4 |
| terrorist attack → involve → biological | 3 |
| terrorist attack → use → biological weapons | 3 |
| negative | neutral | positive |
| 0.608 | 0.378 | 0.015 |
| Raw frequency | 10 |
| Normalized frequency | 0.355 |
| Modifier score | 0.500 |
| Perplexity | 92.187 |