| according to a 2016 dea report | 3 | other |
| drug → contain → chemical | 24 |
| drug → have → chemical | 8 |
| drug → include → chemical | 6 |
| drug → contain → certain chemicals | 3 |
| drug → contain → chemical compounds | 3 |
| negative | neutral | positive |
| 0.458 | 0.492 | 0.050 |
| Raw frequency | 44 |
| Normalized frequency | 0.358 |
| Modifier score | 0.600 |
| Perplexity | 100.336 |