| Typicality: | 0.518 |
| Saliency: | 0.400 |
| usually | 5 | temporal |
| copper sulfate → be purchased for → laboratory use | 3 |
| copper sulfate → be → purchased | 3 |
| negative | neutral | positive |
| 0.068 | 0.899 | 0.033 |
| Raw frequency | 6 |
| Normalized frequency | 0.400 |
| Modifier score | 0.800 |
| Perplexity | 153.272 |