| Typicality: | 0.604 |
| Saliency: | 0.640 |
| to remain in peak operating condition | 16 | purpose |
| at regular intervals | 6 | temporal |
| furnace → need → maintenance | 29 |
| furnace → require → maintenance | 26 |
| furnace → require → proper maintenance | 3 |
| negative | neutral | positive |
| 0.275 | 0.626 | 0.099 |
| Raw frequency | 58 |
| Normalized frequency | 0.640 |
| Modifier score | 0.750 |
| Perplexity | 268.790 |