| from a plant | 9 | other |
| from natural crude oil | 5 | other |
| normally | 3 | degree |
| chemical → be → extracted | 28 |
| chemical → be used in → extraction | 3 |
| negative | neutral | positive |
| 0.220 | 0.659 | 0.121 |
| Raw frequency | 31 |
| Normalized frequency | 0.388 |
| Modifier score | 0.817 |
| Perplexity | 77.781 |