We have three blocks. We call them A, B and C. Block A has a medium black square and a medium yellow square. Below the medium yellow square is the medium black square. A medium blue square is touching the bottom edge of this block. It is below the medium yellow square and the medium black square. Block B is above block A. It contains one medium black square. To the left of block A there is block C. It contains a medium blue square.
What is above the object that is touching the bottom edge of a block? a yellow shape or a medium black square?
yellow shape medium black square  both of them none of them