| structurally | 68 | manner |
| clearly | 5 | manner |
| prior to the collapse | 3 | temporal |
| building → be → unsound | 73 |
| building → become → unsound | 5 |
| negative | neutral | positive |
| 0.764 | 0.219 | 0.016 |
| Raw frequency | 78 |
| Normalized frequency | 0.427 |
| Modifier score | 0.467 |
| Perplexity | 247.228 |