There are two blocks, A and B. Block A contains one medium black square, one medium yellow square and one medium blue square. Below the medium blue square and the medium yellow square there is the medium black square. It is touching the bottom edge of this block. Below the medium blue square is the medium yellow square. Below block A there is block B with two medium yellow squares in it. Medium yellow square number one is below medium yellow square number two.
What is below the blue thing? a medium yellow square or a medium black square which is touching the bottom edge of a block?
medium yellow square  medium black square  which is touching the bottom edge of a block  both of them none of them