| Typicality: | 0.207 |
| Saliency: | 0.182 |
| because of their small chemical size | 3 | cause |
| nitrate → be difficult to → remove | 3 |
| nitrate → be → difficult | 3 |
| negative | neutral | positive |
| 0.677 | 0.219 | 0.104 |
| Raw frequency | 6 |
| Normalized frequency | 0.182 |
| Modifier score | 0.400 |
| Perplexity | 21.361 |