| often | 3 | temporal |
| in an overdose | 2 | other |
| heroin → result in → death | 15 |
| heroin → lead to → death | 14 |
| heroin → cause → death | 8 |
| negative | neutral | positive |
| 0.858 | 0.132 | 0.010 |
| Raw frequency | 37 |
| Normalized frequency | 0.531 |
| Modifier score | 0.700 |
| Perplexity | 131.789 |