| vitamin c → be → antiviral | 12 |
| vitamin c → be → antiviral substance | 4 |
| vitamin c → be discovered to be → reliable antiviral representative | 3 |
| vitamin c → have → antiviral activity | 3 |
| negative | neutral | positive |
| 0.022 | 0.284 | 0.694 |
| Raw frequency | 22 |
| Normalized frequency | 0.339 |
| Modifier score | 0.500 |
| Perplexity | 61.907 |