| between the two | 8 | other |
| moderately | 2 | degree |
| significantly | 2 | degree |
| engine → be → upgraded | 23 |
| engine → get → upgrade | 5 |
| engine → be upgraded by → this time | 3 |
| negative | neutral | positive |
| 0.034 | 0.548 | 0.417 |
| Raw frequency | 31 |
| Normalized frequency | 0.405 |
| Modifier score | 0.700 |
| Perplexity | 69.853 |