| to prevent scarring | 7 | purpose |
| by a dermatologist | 6 | other |
| often | 6 | temporal |
| acne → require → treatment | 11 |
| acne → need → treatment | 9 |
| acne → require → medical treatment | 4 |
| acne → need → additional treatments | 3 |
| negative | neutral | positive |
| 0.555 | 0.401 | 0.044 |
| Raw frequency | 27 |
| Normalized frequency | 0.441 |
| Modifier score | 0.560 |
| Perplexity | 276.680 |