| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | problems caused by the | 30 |
|
| 2 | injuries caused by the | 12 |
|
| 3 | difficulties caused by the | 11 |
|
| 4 | delays caused by the | 11 |
|
| 5 | changes caused by the | 6 |
|
| 6 | losses caused by the | 5 |
|
