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