| over the years | 7 | temporal |
| seismically | 3 | manner |
| progressively | 3 | manner |
| building → be → upgraded | 121 |
| building → undergo → upgrade | 6 |
| building → undergone → upgrade | 5 |
| building → undergone → significant upgrades | 3 |
| negative | neutral | positive |
| 0.089 | 0.525 | 0.387 |
| Raw frequency | 135 |
| Normalized frequency | 0.498 |
| Modifier score | 0.969 |
| Perplexity | 162.780 |