| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by [art] [noun pl] ' union | 11 |
|
| 2 | by the [noun] ' union | 11 |
|
| 3 | by [art] student ' union | 6 |
|
| 4 | by [art] students ' union | 6 |
|
