| thoroughly | 4 | degree |
| poorly | 4 | degree |
| during training | 3 | temporal |
| chemical → be → studied | 31 |
| chemical → be → researched | 7 |
| chemical → be → discussed | 3 |
| negative | neutral | positive |
| 0.300 | 0.608 | 0.093 |
| Raw frequency | 41 |
| Normalized frequency | 0.435 |
| Modifier score | 0.633 |
| Perplexity | 60.831 |