| fully | 4 | degree |
| all winter long | 3 | temporal |
| all night | 3 | temporal |
| tank → be → heated | 57 |
| tank → be heated by → the heat pump | 9 |
| tank → be kept → heated | 3 |
| negative | neutral | positive |
| 0.105 | 0.768 | 0.127 |
| Raw frequency | 69 |
| Normalized frequency | 0.504 |
| Modifier score | 0.767 |
| Perplexity | 489.147 |