| at extra cost | 2 | manner |
| room → have → heater | 28 |
| room → be equipped with → heater | 14 |
| room → include → heater | 4 |
| room → come with → room heater | 3 |
| room → have → room heaters | 3 |
| room → be provided with → heater | 3 |
| negative | neutral | positive |
| 0.057 | 0.583 | 0.360 |
| Raw frequency | 55 |
| Normalized frequency | 0.312 |
| Modifier score | 0.969 |
| Perplexity | 103.775 |