Just open the box which is labeled "Onions and Potatoes". Considering the fact that none of the containers are labeled the right way, this box should comprise only onions, or only poatatoes. When you take out a potatoe from this box, the box needs to be the "Potatoes Only" https://collinoejdt.pointblog.net/find-someone-to-do-case-study-things-to-know-before-you-buy-84798565