| compared to the centers | 5 | other |
| more energy | 3 | degree |
| specifically | 3 | degree |
| center → be → efficient | 17 |
| center → be → more efficient | 4 |
| center → become → efficient | 4 |
| center → become → more efficient | 4 |
| negative | neutral | positive |
| 0.019 | 0.200 | 0.781 |
| Raw frequency | 29 |
| Normalized frequency | 0.315 |
| Modifier score | 0.600 |
| Perplexity | 381.686 |