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