| very | 6 | degree |
| on road and track sides | 2 | location |
| to tropical climates | 2 | location |
| fern → be → common | 16 |
| fern → be → common plant | 3 |
| negative | neutral | positive |
| 0.042 | 0.711 | 0.247 |
| Raw frequency | 19 |
| Normalized frequency | 0.713 |
| Modifier score | 0.500 |
| Perplexity | 164.281 |