| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [art] [noun] ' union | 46 |
|
| 2 | of [art] [noun] workers ' | 26 |
|
| 3 | [art] [noun] workers ' union | 14 |
|
| 4 | of [art] [noun] workers union | 5 |
|
