There are three blocks, A, B and C. Block A has 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. Then, there is block B. It contains one medium yellow square, one medium black square and one medium blue square. Below the medium black square and the medium blue square is the medium yellow square. Below the medium blue square there is the medium black square. Finally, to the right of block A we have block C which is to the right of block B. It has a medium yellow square.
Which object is to the left of a medium yellow square? the medium blue square or the medium black square which is touching the bottom edge of a block?
the medium blue square  the medium black square  which is touching the bottom edge of a block  both of them none of them