| in africa | 6 | location |
| relatively | 4 | degree |
| among rodents | 4 | other |
| plague → be → common | 15 |
| plague → be → widespread | 7 |
| plague → be → prevalent | 4 |
| negative | neutral | positive |
| 0.553 | 0.398 | 0.049 |
| Raw frequency | 26 |
| Normalized frequency | 0.583 |
| Modifier score | 0.500 |
| Perplexity | 97.075 |