| readily | 3 | manner |
| to eliminate sediments | 3 | purpose |
| filter → be made of → gravel | 10 |
| filter → use → gravel | 4 |
| filter → be composed of → gravel | 3 |
| negative | neutral | positive |
| 0.080 | 0.711 | 0.209 |
| Raw frequency | 17 |
| Normalized frequency | 0.287 |
| Modifier score | 0.800 |
| Perplexity | 142.376 |