| on long-term biofilm formation | 8 | transitive-object |
| on traffic safety | 3 | transitive-object |
| on viewers | 2 | transitive-object |
| sign → have → impact | 15 |
| sign → make → impact | 8 |
| sign → have → significant impact | 3 |
| negative | neutral | positive |
| 0.094 | 0.523 | 0.383 |
| Raw frequency | 26 |
| Normalized frequency | 0.392 |
| Modifier score | 0.500 |
| Perplexity | 314.398 |