| without the protective disc | 6 | other |
| structurally | 4 | degree |
| obviously | 4 | degree |
| spine → be → unstable | 32 |
| spine → become → unstable | 29 |
| spine → result in → instability | 8 |
| negative | neutral | positive |
| 0.695 | 0.291 | 0.014 |
| Raw frequency | 69 |
| Normalized frequency | 0.643 |
| Modifier score | 0.500 |
| Perplexity | 453.043 |