| as being in compliance | 8 | other |
| energy-star | 6 | other |
| for air travel | 6 | purpose |
| unit → be → certified | 132 |
| unit → be certified → compliant | 4 |
| unit → be certified for → use | 3 |
| negative | neutral | positive |
| 0.036 | 0.529 | 0.434 |
| Raw frequency | 139 |
| Normalized frequency | 0.531 |
| Modifier score | 0.947 |
| Perplexity | 413.792 |