Grocery Data
| TID | ITEM |
| 1 | 1 |
| 1 | 2 |
| 1 | 3 |
| 2 | 1 |
| 3 | 4 |
| 3 | 5 |
| 3 | 6 |
Grocery (Full)
| TID | ITEM | | TID | ITEM |
| 1 | 1 | | John | Beers |
| 1 | 2 | | John | Diapers |
| 1 | 3 | | John | Butter |
| 2 | 1 | | Mark | Beers |
| 3 | 4 | | Alex | Milk |
| 3 | 5 | | Alex | Yogurt |
| 3 | 6 | | Alex | Eggs |
| John | 1 | | Beers | 1 |
| Mark | 2 | | Diapers | 2 |
| Alex | 3 | | Butter | 3 |
| | | | Milk | 4 |
| | | | Yogurt | 5 |
| | | | Eggs | 6 |