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