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