| Typicality: | 0.708 |
| Saliency: | 0.770 |
| typically | 7 | degree |
| as its heat generation method | 6 | manner |
| for heat | 3 | purpose |
| boiler → use → natural gas | 68 |
| boiler → be → natural gas | 22 |
| boiler → run on → natural gas | 20 |
| boiler → burn → natural gas | 10 |
| boiler → operate on → natural gas | 5 |
| boiler → operate with → natural gas | 4 |
| negative | neutral | positive |
| 0.219 | 0.618 | 0.163 |
| Raw frequency | 129 |
| Normalized frequency | 0.770 |
| Modifier score | 0.897 |
| Perplexity | 466.047 |