We have three blocks. We call them A, B and C. Block A contains one medium blue square. Block B is above block A. It contains two medium blue squares. Below medium blue square number two is medium blue square number one. To the right of block B there is block C which has a medium blue square and a medium yellow square. The medium blue square is touching the bottom edge of this block. Below a medium black square is the medium yellow square. The medium blue square is below the medium shape which is below the medium black square. This shape is below the medium black square.
What is to the left of the black object? a medium blue square or a medium yellow square?
medium blue square  medium yellow square  both of them none of them