| Typicality: | 0.327 |
| Saliency: | 0.386 |
| last week | 4 | temporal |
| before the start of the conference | 3 | temporal |
| in major u.s. cities | 3 | location |
| terrorist → attack → bus | 12 |
| terrorist → target → bus | 5 |
| terrorist → strike → bus | 4 |
| terrorist → attack → the bus | 4 |
| negative | neutral | positive |
| 0.832 | 0.163 | 0.005 |
| Raw frequency | 25 |
| Normalized frequency | 0.386 |
| Modifier score | 0.500 |
| Perplexity | 45.854 |