There are three blocks. Lets call them A, B and C. Block B is above and A is below C. Block A contains a medium blue square and one medium yellow square. The medium blue square is touching the bottom edge of this block. It is below the medium yellow square. Block B contains one medium yellow square. Block C contains 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 black square? the medium yellow square that is in block B or the medium yellow square that is in block A?
the medium yellow square  that is in block B the medium yellow square  that is in block A both of them none of them