| very | 7 | degree |
| in a system | 6 | location |
| to senescent changes | 5 | other |
| mechanism → be → robust | 55 |
| mechanism → provide → robustness | 3 |
| negative | neutral | positive |
| 0.086 | 0.500 | 0.414 |
| Raw frequency | 58 |
| Normalized frequency | 0.516 |
| Modifier score | 0.500 |
| Perplexity | 254.571 |