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