| Typicality: | 0.224 |
| Saliency: | 0.145 |
| relatively | 3 | degree |
| straightforward nature of the energy source | 2 | other |
| apparatus → be inexpensive to → manufacture | 5 |
| apparatus → be manufactured at → low cost | 3 |
| negative | neutral | positive |
| 0.013 | 0.378 | 0.609 |
| Raw frequency | 8 |
| Normalized frequency | 0.145 |
| Modifier score | 0.500 |
| Perplexity | 132.778 |