| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a great source of [noun] for | 5 |
|
| 2 | a great source of [noun] for | 5 |
|
| 3 | [art] great source of [noun] for | 5 |
|
| 4 | [art] great source of [noun] for | 5 |
|
