There are three blocks. We call them A, B and C. Block A is to the left of B and block B is above C. Block A contains one medium blue square. Block B contains one medium blue square and one medium black square. Below the medium black square is the medium blue square. Block C contains a medium blue square and one medium black square. The medium blue square is touching the bottom edge of this block. It is below the medium black 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 which is in block C?
the medium black square  that is in block B the medium black square  which is in block C both of them none of them