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