| at work strenthening and improving itself | 3 | transitive-object |
| very | 2 | degree |
| collagen → be → tough | 9 |
| collagen → be → hard | 8 |
| collagen → be → difficult | 3 |
| negative | neutral | positive |
| 0.224 | 0.486 | 0.290 |
| Raw frequency | 20 |
| Normalized frequency | 0.250 |
| Modifier score | 0.500 |
| Perplexity | 153.199 |