There are three blocks, A, B and C. Block C is above B. Block A is below C. Block A has a medium black square. Block B has two medium black squares. Medium black square number one is below a medium blue square and medium black square number two. It is touching the bottom edge of this block. Below medium black square number two is the medium blue square. Block C has two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. This object is below medium yellow square number two.
Which object is below a medium yellow square? the medium black square that is in block A or medium black square number two?
the medium black square  that is in block A medium black square  number two both of them none of them