| Typicality: | 0.316 |
| Saliency: | 0.156 |
| to bind oxygen | 3 | purpose |
| iron → exist in → the +2 oxidation state | 4 |
| iron → exist in → oxidation state ii | 3 |
| negative | neutral | positive |
| 0.089 | 0.797 | 0.115 |
| Raw frequency | 7 |
| Normalized frequency | 0.156 |
| Modifier score | 0.500 |
| Perplexity | 149.411 |