There are three blocks. We call them A, B and C. Block B is to the right of blocks C and A. Block A contains 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 and a medium black square.. The medium black square is below medium blue square number two. Block B has one medium yellow square. Block C contains a medium black square.
Which object is to the left of a medium square? the medium black square that is in block A or the medium black square that is in block C?
the medium black square  that is in block A the medium black square  that is in block C both of them none of them