We have three blocks. We call them A, B and C. Block A is below B. Block B is to the right of C. Block A contains a medium blue square. Block B has two medium black squares. It also has one medium yellow square. The medium yellow square is below medium black square number one and medium black square number two. Below medium black square number one and medium black square number two there is a medium blue square. Medium black square number one is below medium black square number two. And block C has one 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