| Typicality: | 0.422 |
| Saliency: | 0.404 |
| for expansion | 7 | purpose |
| on the earth | 2 | location |
| energy → be used by → the system | 13 |
| energy → be used by → system | 13 |
| energy → be used within → system | 3 |
| energy → be used in → system | 3 |
| energy → be used for → system | 3 |
| energy → be produced for → system | 3 |
| negative | neutral | positive |
| 0.063 | 0.722 | 0.215 |
| Raw frequency | 38 |
| Normalized frequency | 0.404 |
| Modifier score | 0.500 |
| Perplexity | 84.915 |