| Typicality: | 0.468 |
| Saliency: | 0.412 |
| for most people | 6 | transitive-object |
| from fluoride | 4 | other |
| in a city | 2 | location |
| way → purify → water | 38 |
| way → purify → fresh water | 5 |
| way → purify → clean water | 3 |
| way → purify → drinking water | 3 |
| negative | neutral | positive |
| 0.084 | 0.434 | 0.483 |
| Raw frequency | 49 |
| Normalized frequency | 0.412 |
| Modifier score | 0.900 |
| Perplexity | 39.349 |