| during cold weather | 3 | temporal |
| in order to heat your home | 2 | purpose |
| heat pump → be → reversed | 11 |
| heat pump → be able to → reverse its operation | 3 |
| negative | neutral | positive |
| 0.055 | 0.730 | 0.215 |
| Raw frequency | 14 |
| Normalized frequency | 0.301 |
| Modifier score | 0.500 |
| Perplexity | 253.189 |