| extremely | 86 | degree |
| more energy | 64 | degree |
| much more | 40 | degree |
| led → be → efficient | 369 |
| led → be → more efficient | 149 |
| led → become → more efficient | 15 |
| led → get → more efficient | 8 |
| led → become → efficient | 5 |
| negative | neutral | positive |
| 0.029 | 0.205 | 0.766 |
| Raw frequency | 546 |
| Normalized frequency | 0.882 |
| Modifier score | 0.750 |
| Perplexity | 102.577 |