| significantly | 8 | degree |
| from the original models | 7 | other |
| since | 6 | temporal |
| engine → be → upgraded | 85 |
| engine → be upgraded over → year | 4 |
| engine → be upgraded in → addition | 3 |
| engine → be upgraded by → this time | 3 |
| negative | neutral | positive |
| 0.035 | 0.559 | 0.406 |
| Raw frequency | 95 |
| Normalized frequency | 0.559 |
| Modifier score | 0.600 |
| Perplexity | 235.328 |