| from the methylxanthine family | 3 | other |
| pharmacologically | 2 | manner |
| certainly | 2 | manner |
| caffeine → be → substance | 96 |
| caffeine → be → active substance | 3 |
| negative | neutral | positive |
| 0.150 | 0.665 | 0.185 |
| Raw frequency | 99 |
| Normalized frequency | 0.582 |
| Modifier score | 0.500 |
| Perplexity | 38.984 |