| for drinking | 8 | purpose |
| into the grooves | 5 | transitive-object |
| in fish tanks | 2 | location |
| filter → use → water | 7 |
| filter → provide → filtered water | 5 |
| filter → be → water | 5 |
| filter → bring → the water | 3 |
| filter → be used to filter → water | 3 |
| filter → provide → water | 3 |
| negative | neutral | positive |
| 0.095 | 0.635 | 0.270 |
| Raw frequency | 26 |
| Normalized frequency | 0.358 |
| Modifier score | 0.500 |
| Perplexity | 42.836 |