| from coffee | 6 | other |
| by the gas | 4 | cause |
| from its vegetable sources | 2 | other |
| caffeine → be → separated | 9 |
| caffeine → be → isolated | 6 |
| negative | neutral | positive |
| 0.160 | 0.786 | 0.054 |
| Raw frequency | 15 |
| Normalized frequency | 0.268 |
| Modifier score | 0.500 |
| Perplexity | 240.784 |