| Typicality: | 0.459 |
| Saliency: | 0.489 |
| in the united states | 14 | location |
| be in another | 9 | location |
| in europe | 7 | location |
| disease → be considered → rare | 57 |
| disease → be defined → rare | 4 |
| negative | neutral | positive |
| 0.339 | 0.592 | 0.069 |
| Raw frequency | 61 |
| Normalized frequency | 0.489 |
| Modifier score | 0.500 |
| Perplexity | 321.703 |