| for thought processes | 7 | purpose |
| to maintain the iron | 7 | purpose |
| to repair this injured tissue | 5 | purpose |
| enzyme → be → necessary | 63 |
| enzyme → be → required | 31 |
| enzyme → be → prerequisite | 4 |
| enzyme → be → sufficient | 3 |
| enzyme → be → need | 3 |
| negative | neutral | positive |
| 0.173 | 0.684 | 0.143 |
| Raw frequency | 104 |
| Normalized frequency | 0.646 |
| Modifier score | 0.417 |
| Perplexity | 219.713 |