| to communication | 7 | purpose |
| in the filling | 5 | other |
| to all fluorescents | 3 | transitive-object |
| mercury → be → essential | 12 |
| mercury → be → ingredient | 6 |
| mercury → be → main ingredient | 5 |
| mercury → be → essential component | 3 |
| negative | neutral | positive |
| 0.204 | 0.540 | 0.255 |
| Raw frequency | 26 |
| Normalized frequency | 0.388 |
| Modifier score | 0.500 |
| Perplexity | 54.369 |