| without utilizing any substance | 6 | other |
| chemically | 5 | manner |
| independently | 3 | manner |
| surface → be → altered | 28 |
| surface → be → changed | 23 |
| negative | neutral | positive |
| 0.133 | 0.774 | 0.093 |
| Raw frequency | 51 |
| Normalized frequency | 0.419 |
| Modifier score | 1.000 |
| Perplexity | 235.462 |