We have three blocks, A, B and C. Block C is to the right of B. Block A is above C. Block A has a medium yellow square. One medium blue square is also touching the bottom edge of this block. The medium blue square is below the medium yellow square. Block B has a medium blue square. Block C contains two medium blue squares. Medium blue square number one is below a medium black square and medium blue square number two. Medium blue square number two is below the medium black square.
What is below the black shape? a medium blue square that is in block B or a medium blue square number two?
medium blue square  that is in block B medium blue square  number two both of them none of them