| Typicality: | 0.344 |
| Saliency: | 0.426 |
| in our opinion | 2 | other |
| forest → purify → water | 12 |
| forest → provide → water purification | 10 |
| forest → serve as → water purifying systems | 4 |
| forest → purify → our water | 3 |
| negative | neutral | positive |
| 0.018 | 0.477 | 0.505 |
| Raw frequency | 29 |
| Normalized frequency | 0.426 |
| Modifier score | 0.500 |
| Perplexity | 91.102 |