| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is call [art] event horizon | 6 |
|
| 2 | is call [art] event [noun] | 6 |
|
| 3 | is call [art] event [noun sg] | 6 |
|
| 4 | is call [art] event horizon | 6 |
|
