| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] major problem [is] [conj] [art] | 5 |
|
| 2 | [art] major problem [is] [conj] [art] | 5 |
|
| 3 | major problem [is] [conj] [art] [noun] | 5 |
|
