| Typicality: | 0.513 |
| Saliency: | 0.236 |
| at the university of pittsburgh | 5 | location |
| extensively | 3 | degree |
| to ensure | 3 | purpose |
| vaccine → be tested by → scientist | 4 |
| vaccine → be tested in → laboratory studies | 4 |
| vaccine → be tested in → lab | 3 |
| vaccine → be tested in → laboratory | 3 |
| vaccine → be tested by → researcher | 3 |
| negative | neutral | positive |
| 0.085 | 0.799 | 0.116 |
| Raw frequency | 17 |
| Normalized frequency | 0.236 |
| Modifier score | 1.000 |
| Perplexity | 208.905 |