| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the back of [art] police [noun] | 8 |
|
| 2 | the back of [art] police [noun] | 8 |
|
| 3 | [art] back of [art] police [noun] | 8 |
|
| 4 | [art] back of [art] police [noun] | 8 |
|
