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