There are three blocks. Lets call them A, B and C. Block A contains a medium black square. Then, there is block B which has two medium blue squares. A medium yellow square is below medium blue square number two and medium blue square number one. Medium blue square number one is below medium blue square number two. Finally, we have block C which is above block B and to the right of block A. It contains two medium blue squares. Medium blue square number one is below medium blue square number two.
What is above the yellow thing? a medium black square or a medium blue square?
medium black square  medium blue square  both of them none of them