| within a decade | 5 | temporal |
| scientifically | 3 | degree |
| technically | 3 | manner |
| vaccine → be → possible | 42 |
| vaccine → be → feasible | 15 |
| vaccine → be → able | 6 |
| vaccine → be made → possible | 4 |
| vaccine → be → possibility | 3 |
| vaccine → be → achievable | 3 |
| negative | neutral | positive |
| 0.146 | 0.438 | 0.416 |
| Raw frequency | 73 |
| Normalized frequency | 0.434 |
| Modifier score | 0.700 |
| Perplexity | 183.006 |