| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | caused by [art] | 1543 |
|
| 2 | [not/n't] by [art] | 336 |
|
| 3 | [not/n't] caused by | 57 |
|
| 4 | [not/n't] caused [art] | 5 |
|
