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