| highly | 3 | degree |
| in character | 3 | other |
| year → be → uncertain | 25 |
| year → be → unclear | 5 |
| year → be not → certain | 3 |
| year → be → unsure | 3 |
| negative | neutral | positive |
| 0.276 | 0.664 | 0.061 |
| Raw frequency | 36 |
| Normalized frequency | 0.409 |
| Modifier score | 1.000 |
| Perplexity | 154.927 |