We have three blocks, A, B and C. Block C is to the left of B and block B is to the left of A. Block A has a medium black square. Block B has a medium yellow square, a medium blue square and a medium black square. Below the medium black square there is the medium yellow square. This object is touching the bottom edge of this block. This shape is below the medium blue square. The medium blue square is below the medium black square. And block C contains a medium black square.
What is below the blue shape? a medium yellow square that is touching the bottom edge of a block or a medium black square?
medium yellow square  that is touching the bottom edge of a block  medium black square  both of them none of them