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