| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a few hours at | 13 |
|
| 2 | [art] few hours at | 13 |
|
| 3 | [art] few hours at | 13 |
|
| 4 | a few hours at | 13 |
|
| 5 | few hours at [art] | 6 |
|
| 6 | few hours at [art] | 6 |
|
