| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the main problem is [that] the | 6 |
|
| 2 | the main problem is [that] the | 6 |
|
| 3 | [art] main problem is [that] the | 6 |
|
| 4 | [art] main problem is [that] the | 6 |
|
