| much more | 5 | degree |
| extremely | 3 | degree |
| methadone → be → difficult | 4 |
| methadone → be → more difficult | 3 |
| methadone → be → difficult drug | 3 |
| negative | neutral | positive |
| 0.681 | 0.294 | 0.025 |
| Raw frequency | 10 |
| Normalized frequency | 0.324 |
| Modifier score | 0.500 |
| Perplexity | 66.739 |