| Typicality: | 0.310 |
| Saliency: | 0.425 |
| currently | 7 | temporal |
| only then | 7 | temporal |
| in his university of alberta | 4 | location |
| vaccine → be tested in → human | 33 |
| vaccine → be tested on → human | 25 |
| vaccine → enter → human testing | 4 |
| vaccine → be in → clinical testing | 3 |
| vaccine → tested on → human | 3 |
| negative | neutral | positive |
| 0.168 | 0.642 | 0.190 |
| Raw frequency | 68 |
| Normalized frequency | 0.425 |
| Modifier score | 0.125 |
| Perplexity | 75.109 |