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