There are three blocks. Lets call them A, B and C. Block A contains a medium blue square. Then, there is block B which contains two medium blue squares. Below medium blue square number two is medium blue square number one. Above blocks A and B there is block C with a medium yellow square in it. A medium black square is touching the bottom edge of this block. This shape is below the medium yellow square.
What is below the black shape? a medium yellow square or a medium blue square?
medium yellow square  medium blue square  both of them none of them