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| id | employee | boss | name |
|---|---|---|---|
| 1 | Anna | null | null |
| 2 | Bob | 1 | Anna |
| 3 | Louis | 1 | Anna |
| 4 | Sara | 1 | Anna |
| 4 | Sara | 2 | Bob |
| 5 | Sophie | 1 | Anna |
| 5 | Sophie | 2 | Bob |
| 6 | John | 1 | Anna |
| 6 | John | 2 | Bob |
| 6 | John | 4 | Sara |