| upon becoming a co- | 12 | temporal |
| under the collective bargaining agreement | 6 | other |
| in the rows | 3 | location |
| city → have → duty | 116 |
| city → have → the duty | 14 |
| negative | neutral | positive |
| 0.200 | 0.666 | 0.134 |
| Raw frequency | 130 |
| Normalized frequency | 0.445 |
| Modifier score | 0.500 |
| Perplexity | 167.694 |