| during a group registration | 6 | temporal |
| no longer | 5 | temporal |
| last year | 2 | temporal |
| teacher → be → required | 108 |
| teacher → be required as → condition | 3 |
| teacher → be required by → student | 3 |
| negative | neutral | positive |
| 0.196 | 0.679 | 0.124 |
| Raw frequency | 114 |
| Normalized frequency | 0.528 |
| Modifier score | 0.745 |
| Perplexity | 87.247 |