| by using the latest technologies | 6 | manner |
| more energy | 5 | degree |
| very | 4 | degree |
| school → be → efficient | 22 |
| school → be → more efficient | 9 |
| school → become → more efficient | 7 |
| school → become → efficient | 7 |
| negative | neutral | positive |
| 0.062 | 0.333 | 0.605 |
| Raw frequency | 45 |
| Normalized frequency | 0.414 |
| Modifier score | 1.000 |
| Perplexity | 68.354 |