| from pollution | 10 | other |
| completely | 9 | degree |
| with its approval | 9 | other |
| city → be → free | 206 |
| city → become → free | 10 |
| city → go → free | 3 |
| negative | neutral | positive |
| 0.130 | 0.405 | 0.465 |
| Raw frequency | 219 |
| Normalized frequency | 0.507 |
| Modifier score | 0.700 |
| Perplexity | 142.064 |