| for the ability | 5 | cause |
| for vaccine potency | 2 | purpose |
| in pharmacological parlance | 2 | manner |
| assay → be → tested | 12 |
| assay → be → test | 7 |
| assay → include → test | 3 |
| negative | neutral | positive |
| 0.208 | 0.743 | 0.049 |
| Raw frequency | 22 |
| Normalized frequency | 0.402 |
| Modifier score | 0.800 |
| Perplexity | 253.936 |