| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] lack of [noun sg] on | 65 |
|
| 2 | the lack [prep] [noun sg] on | 38 |
|
| 3 | a lack [prep] [noun sg] on | 23 |
|
| 4 | [art] lack [prep] information on | 10 |
|
