| because of the toxins in the drug | 5 | cause |
| no longer | 2 | temporal |
| heroin → be → drug | 61 |
| heroin → be → substance | 5 |
| heroin → be → controlled substance | 4 |
| negative | neutral | positive |
| 0.666 | 0.291 | 0.043 |
| Raw frequency | 70 |
| Normalized frequency | 0.666 |
| Modifier score | 0.950 |
| Perplexity | 27.170 |