| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] problem was | 409 |
|
| 2 | the problem was | 401 |
|
| 3 | the problem was | 401 |
|
| 4 | a problem was | 6 |
|
| 5 | a problem was | 6 |
|
