We have three blocks, A, B and C. Block C is below A. Block A is below B. Block A contains a medium blue square. Block B has a medium yellow square. And block C has four medium black squares. Medium black square number one is touching the bottom edge of this block. Medium black square number two is below medium black square number four. Below medium black square number four is medium black square number three. Medium black square number one is below medium black square number two. It is below medium black square number four and medium black square number three.
Which object is below a medium square? medium black square number two or medium black square number four?
medium black square  number two medium black square  number four both of them none of them