| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by [art] national children ['s] [noun] | 6 |
|
| 2 | by [art] national children ['s] [noun sg] | 6 |
|
| 3 | by [art] national children ['s] bureau | 5 |
|
| 4 | by [art] national children ['s] bureau | 5 |
|
