| really | 6 | degree |
| to imagine life | 3 | purpose |
| for many students | 2 | transitive-object |
| chemistry → be → difficult | 16 |
| chemistry → be → hard | 10 |
| chemistry → be → challenging | 3 |
| chemistry → be → tough | 3 |
| negative | neutral | positive |
| 0.432 | 0.372 | 0.196 |
| Raw frequency | 32 |
| Normalized frequency | 0.649 |
| Modifier score | 0.900 |
| Perplexity | 25.997 |