| in exchange for that right | 6 | purpose |
| under an exclusive bargaining arrangement | 5 | other |
| beyond their function | 3 | other |
| union → have → duty | 40 |
| union → have → the duty | 8 |
| union → have → statutory duty | 3 |
| negative | neutral | positive |
| 0.143 | 0.739 | 0.118 |
| Raw frequency | 51 |
| Normalized frequency | 0.539 |
| Modifier score | 1.000 |
| Perplexity | 101.450 |