This can be a statement about what a person eats in general (not necessarily now).
I was suspecting that Duolingo is trying to kill us all. But I didn't think that their plan would be so sofisticated. To make us mix bread and rice! Who on earth could see that coming?! :)
By the way, @olimo, i think that he was joking. Or, maybe he is just one angry nutricionist :)