| Typicality: | 0.475 |
| Saliency: | 0.375 |
| once a year | 3 | temporal |
| at the field museum in chicago | 3 | location |
| since 1987 | 2 | temporal |
| exhibition → be held in → the united states | 22 |
| exhibition → be held in → usa | 11 |
| exhibition → be held in → the usa | 7 |
| exhibition → be held in → the us | 4 |
| exhibition → take place in → the usa | 3 |
| exhibition → be held in → america | 3 |
| exhibition → be held in → north america | 3 |
| negative | neutral | positive |
| 0.026 | 0.682 | 0.292 |
| Raw frequency | 53 |
| Normalized frequency | 0.375 |
| Modifier score | 0.700 |
| Perplexity | 17.663 |