| in the world | 5 | location |
| for having maintained its | 4 | cause |
| anywhere | 3 | location |
| japan → be → unusual | 10 |
| japan → be → rare country | 5 |
| japan → seem → unique | 4 |
| japan → be unlike → else | 3 |
| negative | neutral | positive |
| 0.140 | 0.522 | 0.339 |
| Raw frequency | 22 |
| Normalized frequency | 0.365 |
| Modifier score | 0.500 |
| Perplexity | 183.690 |