| very | 11 | degree |
| generally | 4 | degree |
| more energy | 4 | degree |
| protein → be → expensive | 37 |
| protein → be → costly | 6 |
| protein → be → more expensive | 3 |
| protein → be expensive to → produce | 3 |
| negative | neutral | positive |
| 0.629 | 0.320 | 0.051 |
| Raw frequency | 49 |
| Normalized frequency | 0.438 |
| Modifier score | 0.550 |
| Perplexity | 128.810 |