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