| Typicality: | 0.268 |
| Saliency: | 0.247 |
| in the united states | 6 | location |
| each year | 6 | temporal |
| in the late 1940s | 6 | temporal |
| polio → crippled → around 35,000 people | 5 |
| polio → affect → 350,000 people | 3 |
| negative | neutral | positive |
| 0.847 | 0.143 | 0.009 |
| Raw frequency | 8 |
| Normalized frequency | 0.247 |
| Modifier score | 0.500 |
| Perplexity | 72.204 |