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