| generally | 7 | degree |
| for a healthy immune system | 2 | purpose |
| selenium → be → necessary | 13 |
| selenium → be → regarded | 5 |
| selenium → be → concerned | 4 |
| selenium → be → problem | 3 |
| selenium → be → something | 3 |
| negative | neutral | positive |
| 0.210 | 0.509 | 0.281 |
| Raw frequency | 28 |
| Normalized frequency | 0.504 |
| Modifier score | 0.500 |
| Perplexity | 129.819 |