| to maintaining habitat | 4 | purpose |
| in canada's history | 3 | temporal |
| to expansion | 2 | purpose |
| beaver → be → important | 6 |
| beaver → be → vital | 4 |
| beaver → be → critical | 3 |
| negative | neutral | positive |
| 0.122 | 0.436 | 0.442 |
| Raw frequency | 13 |
| Normalized frequency | 0.329 |
| Modifier score | 0.500 |
| Perplexity | 178.055 |