| to show on the skin | 5 | purpose |
| more often than rosacea | 4 | other |
| acne → cause → blackhead | 40 |
| acne → result in → blackhead | 6 |
| acne → lead to → blackhead | 5 |
| negative | neutral | positive |
| 0.723 | 0.229 | 0.049 |
| Raw frequency | 51 |
| Normalized frequency | 0.569 |
| Modifier score | 0.700 |
| Perplexity | 140.538 |