| Typicality: | 0.282 |
| Saliency: | 0.280 |
| so long | 6 | temporal |
| from middle cretaceous | 2 | temporal |
| structure → be → productive | 11 |
| structure → obtain → productiveness | 5 |
| structure → achieve → productiveness | 3 |
| negative | neutral | positive |
| 0.017 | 0.347 | 0.636 |
| Raw frequency | 19 |
| Normalized frequency | 0.280 |
| Modifier score | 0.500 |
| Perplexity | 476.323 |