| for their boundless intellectual curiosity | 10 | cause |
| among vertebrates | 4 | other |
| further | 4 | degree |
| tortoise → be → unique | 11 |
| tortoise → remain → unique | 4 |
| negative | neutral | positive |
| 0.031 | 0.491 | 0.478 |
| Raw frequency | 15 |
| Normalized frequency | 0.463 |
| Modifier score | 1.000 |
| Perplexity | 40.531 |