| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have [art] role | 16 |
|
| 2 | may have [art] role | 16 |
|
| 3 | may have a role | 15 |
|
| 4 | may have [art] role | 15 |
|
| 5 | may have a role | 15 |
|
