| chemically | 6 | manner |
| from heroin | 6 | other |
| most frequently | 3 | degree |
| morphine → be → produced | 7 |
| morphine → be → processed | 7 |
| morphine → be → made | 5 |
| negative | neutral | positive |
| 0.375 | 0.544 | 0.081 |
| Raw frequency | 19 |
| Normalized frequency | 0.556 |
| Modifier score | 0.500 |
| Perplexity | 214.103 |