| Typicality: | 0.422 |
| Saliency: | 0.309 |
| to have thermal protection | 4 | purpose |
| at frequency | 2 | other |
| lamp → be operated by → the ballast | 4 |
| lamp → require → the ballast | 3 |
| lamp → be operated by → a reference ballast | 3 |
| lamp → be connected to → the ballast | 3 |
| negative | neutral | positive |
| 0.064 | 0.817 | 0.119 |
| Raw frequency | 13 |
| Normalized frequency | 0.309 |
| Modifier score | 0.625 |
| Perplexity | 163.849 |