Think out-of-the box and devise a creative way to storage and supply in supermarkets.
The storage and resupply in supermarkets have not changed since the concept was introduced around 1960.
It costs a lot of man power, shoppers experience inconvenience, it is slow and it is not integrated in the whole logistic chain from factory to shop.
Do not spend more than 5 minutes. If you think the exercise is interesting, spend another 5 minutes, but not before you have had a two hours break. Otherwise there is a chance that you circle around with the same ideas again and again.