| Typicality: | 0.412 |
| Saliency: | 0.379 |
| on our planet | 2 | location |
| fern → be → ancient plants | 5 |
| fern → be among → the oldest plants | 3 |
| negative | neutral | positive |
| 0.014 | 0.551 | 0.435 |
| Raw frequency | 8 |
| Normalized frequency | 0.379 |
| Modifier score | 0.500 |
| Perplexity | 95.532 |