| very | 27 | degree |
| compared to other american airports | 12 | other |
| extraordinarily | 7 | degree |
| airport → be → clean | 201 |
| airport → be kept → clean | 5 |
| negative | neutral | positive |
| 0.034 | 0.128 | 0.838 |
| Raw frequency | 206 |
| Normalized frequency | 0.596 |
| Modifier score | 0.875 |
| Perplexity | 272.095 |