| Typicality: | 0.460 |
| Saliency: | 0.491 |
| to maintain their ability | 2 | purpose |
| boiler → serviced on → annual basis | 16 |
| boiler → have → annual service | 14 |
| boiler → be serviced on → annual basis | 3 |
| negative | neutral | positive |
| 0.070 | 0.590 | 0.340 |
| Raw frequency | 33 |
| Normalized frequency | 0.491 |
| Modifier score | 0.500 |
| Perplexity | 255.421 |