| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | hold at the scientific | 7 |
|
| 2 | hold at [art] scientific | 7 |
|
| 3 | hold at [art] scientific | 7 |
|
| 4 | held at [art] scientific | 7 |
|
| 5 | hold at the scientific | 7 |
|
