We have three blocks, A, B and C. Block C is to the left of A. Block A is to the right of B. Block A has two medium black squares. Medium black square number one is below medium black square number two. Block B has a medium blue square. Block C contains two medium black squares. Medium black square number one is touching the bottom edge of this block. Medium black square number two is below a medium blue square. Medium black square number one is below medium black square number two and the medium blue square.
Which object is to the left of a medium black square? the medium blue square that is in block B or the medium blue square that is in block C?
the medium blue square  that is in block B the medium blue square  that is in block C both of them none of them