| Typicality: | 0.545 |
| Saliency: | 0.668 |
| very | 20 | degree |
| terribly | 12 | degree |
| compared to current technology | 3 | other |
| furnace → be → inefficient | 62 |
| furnace → be to be → inefficient | 4 |
| negative | neutral | positive |
| 0.790 | 0.186 | 0.025 |
| Raw frequency | 66 |
| Normalized frequency | 0.668 |
| Modifier score | 0.800 |
| Perplexity | 136.250 |