There are two blocks, A and B. Block A is below B. Block A contains two medium yellow squares. Medium yellow square number one is below medium yellow square number two. Block B contains two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. This shape is below a medium blue square and medium yellow square number two. The medium blue square is below medium yellow square number two.
What is above the thing that is touching the bottom edge of a block? a medium yellow square or a medium blue square?
medium yellow square  medium blue square  both of them none of them