| extremely | 5 | degree |
| for a scientist | 2 | other |
| teaching → be → hard | 9 |
| teaching → be → challenging | 4 |
| teaching → be → difficult | 4 |
| teaching → be → tough | 3 |
| negative | neutral | positive |
| 0.502 | 0.358 | 0.140 |
| Raw frequency | 20 |
| Normalized frequency | 0.747 |
| Modifier score | 0.500 |
| Perplexity | 21.655 |