| usually | 22 | degree |
| in children | 12 | location |
| relatively | 4 | degree |
| rubella → be → mild | 18 |
| rubella → be → mild disease | 11 |
| rubella → be → mild infection | 7 |
| rubella → be → mild viral infection | 4 |
| rubella → be → mild illness | 4 |
| negative | neutral | positive |
| 0.536 | 0.390 | 0.074 |
| Raw frequency | 44 |
| Normalized frequency | 0.948 |
| Modifier score | 0.795 |
| Perplexity | 188.451 |