There are two blocks. We call them A and B. Block A has one medium blue square, a medium black square and one medium yellow square. Below the medium yellow square is the medium black square. The medium blue square is touching the bottom edge of this block. It is below the medium object which is below the medium yellow square. It is below the medium yellow square. To the left of block A is block B which has two medium blue squares. A medium yellow square is below medium blue square number two. Medium blue square number one is touching the bottom edge of this block. It is below the medium yellow square and medium blue square number two.
What is below the black thing? a medium blue square which is touching the bottom edge of a block or a medium blue square number two?
medium blue square  which is touching the bottom edge of a block  medium blue square  number two both of them none of them