| Typicality: | 0.361 |
| Saliency: | 0.262 |
| in california | 3 | location |
| by two separate groups | 2 | other |
| virus → be identified in → 1962 | 6 |
| virus → be isolated in → 1962 | 4 |
| virus → be discovered in → 1962 | 3 |
| negative | neutral | positive |
| 0.409 | 0.566 | 0.025 |
| Raw frequency | 13 |
| Normalized frequency | 0.262 |
| Modifier score | 0.500 |
| Perplexity | 98.622 |