| Typicality: | 0.437 |
| Saliency: | 0.192 |
| as a backup for cold weather | 4 | purpose |
| heat pump → use → electric resistance heaters | 5 |
| heat pump → have → a booster electrical-resistance heater | 3 |
| negative | neutral | positive |
| 0.109 | 0.786 | 0.106 |
| Raw frequency | 8 |
| Normalized frequency | 0.192 |
| Modifier score | 0.825 |
| Perplexity | 99.635 |