| in the back alleys | 5 | location |
| because of pollution | 5 | cause |
| very | 3 | degree |
| building → be → dirty | 40 |
| building → get → dirty | 4 |
| building → become → dirty | 4 |
| negative | neutral | positive |
| 0.781 | 0.174 | 0.045 |
| Raw frequency | 48 |
| Normalized frequency | 0.363 |
| Modifier score | 0.950 |
| Perplexity | 340.572 |