There are three blocks. We call them A, B and C. Block A contains one medium yellow square. Block B is to the left of block A. It has one medium yellow square, a medium black square and one medium blue square. The medium yellow square is touching the bottom edge of this block. Below the medium blue square there is the medium black square. The medium yellow square is below the medium blue square and the medium black square. Below block A there is block C which contains a medium blue square.
Which object is to the left of a medium yellow 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