| most often | 5 | degree |
| for construction | 4 | purpose |
| from a dec river management engineer | 2 | other |
| structure → require → permit | 16 |
| structure → require → a building permit | 12 |
| structure → need → permit | 4 |
| negative | neutral | positive |
| 0.150 | 0.806 | 0.044 |
| Raw frequency | 32 |
| Normalized frequency | 0.359 |
| Modifier score | 0.750 |
| Perplexity | 185.390 |