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| max(title1) | max(title2) |
|---|---|
| null | Scrambled eggs |
| Fondue | Sandwich |
| Tomato soup | null |
| Liver | null |
| max(title1) | max(title2) |
|---|---|
| null | Scrambled eggs |
| Fondue | Sandwich |
| Tomato soup | null |
| Liver | null |