We have three blocks, A, B and C. Block C is below B and block A is to the left of C. Block A contains 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. Block B contains one medium black square. A medium yellow square is touching the bottom edge of this block. It is below the medium black square. And block C has two medium yellow squares. A medium blue square is touching the bottom edge of this block. Medium yellow square number one is below medium yellow square number two. The medium blue square is below medium yellow square number two and medium yellow square number one.
What is below the black thing? a medium blue square that is touching the bottom edge of a block or a medium yellow square?
medium blue square  that is touching the bottom edge of a block  medium yellow square  both of them none of them