| in origin | 2 | other |
| energy → be → thermal | 13 |
| energy → be provided by → their thermal energies | 5 |
| energy → be produced by → thermal | 3 |
| energy → come in → thermal | 3 |
| energy → be → thermalized | 3 |
| negative | neutral | positive |
| 0.094 | 0.752 | 0.154 |
| Raw frequency | 27 |
| Normalized frequency | 0.349 |
| Modifier score | 0.500 |
| Perplexity | 242.711 |