| always | 4 | degree |
| constantly | 4 | degree |
| for transporting hazardous materials | 4 | purpose |
| truck → be → required | 22 |
| truck → be in → requirement | 6 |
| truck → be required by → law | 6 |
| negative | neutral | positive |
| 0.168 | 0.691 | 0.141 |
| Raw frequency | 34 |
| Normalized frequency | 0.488 |
| Modifier score | 0.700 |
| Perplexity | 44.542 |