| very | 15 | degree |
| for humans in low doses | 15 | other |
| for children | 14 | transitive-object |
| fluoride → be → safe | 208 |
| fluoride → be considered → safe | 6 |
| fluoride → be safe to → use | 6 |
| fluoride → be safe to → consume | 4 |
| negative | neutral | positive |
| 0.231 | 0.399 | 0.370 |
| Raw frequency | 224 |
| Normalized frequency | 0.863 |
| Modifier score | 0.500 |
| Perplexity | 24.264 |